when water flows through rocks, it can physically erode loose material to form a network of caverns. this process is known as . (enter only one word per blank.)
When water flows through rocks, it can physically erode loose material to form a network of caverns. this process is known as "karstification".
Karstification is the geological process by which soluble rocks such as limestone, dolomite, and gypsum dissolve in water. As water flows through these rocks, it dissolves and transports the soluble minerals, leaving empty gaps and voids behind.
Water can physically dissolve loose material to produce a network of caves when it runs through rocks. The term "karstification" refers to this process.
These cavities can expand over time and form a network of underground tunnels and caves. Many well-known cave systems and sinkholes around the world are the result of karstification.
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Sunset always occurs later on the eastern edge of a time zone (e.g. Cape Hatteras as opposed to Asheville, NC).A. TrueB. False
The statement is false. Sunset times are determined by the position of the Earth in relation to the Sun, and the Earth rotates from west to east.
Therefore, locations that are further east in a time zone will experience sunset earlier than locations further west in the same time zone. For example, in Eastern Standard Time (EST), New York City is further east than Chicago.
As a result, New York City will experience sunset earlier than Chicago, even though they are in the same time zone. This is because the Earth rotates towards the east, and the Sun sets in the west.
Therefore, sunset always occurs earlier on the western edge of a time zone and later on the eastern edge. It is important to understand this concept to accurately plan activities and schedules based on sunset times.
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What type of agriculture is found in most of this region?
A) pastoral nomadism
B) oasis and irrigated agriculture
C) little or no agriculture
D) dry farming
E) None of the listed responses is correct.
The type of agriculture is found in most of this region is oasis and irrigated system. The correct option is B.
Therefore, the only way to sustain agriculture is through the use of irrigation and oasis.
In an oasis and irrigated system, water is supplied to crops through artificial means, such as canals or wells, to support their growth.
This type of agriculture is commonly practiced in regions such as the Middle East, North Africa, and parts of Central Asia.
Despite being labor-intensive, oasis and irrigated farming are very productive, and many staple crops such as wheat, rice, and cotton are grown this way.
Additionally, this type of agriculture has allowed for the development of cities and urban areas in regions where the natural landscape would otherwise be inhospitable.
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True or false: most known planetary systems outside the Solar System are organized like the Solar System in terms of the orbital locations of the planets and their masses and apparent bulk compositions
False. Most known planetary systems outside the Solar System are not organized like the Solar System in terms of the orbital locations of the planets and their masses and apparent bulk compositions.
There are many different types of planetary systems, including ones with hot Jupiters, super-Earths, and even multiple stars. The Sun is at the centre of the Solar System according to the heliocentric paradigm.
The Sun is thought to be at the system's centre under the heliocentric model of the solar system, which is a theory.
In other words, the Earth and other planetary bodies revolve around the Sun, which is at the centre of the universe.
The location of the Sun in our solar system is shown in this model.
Thus, we can draw the conclusion that the Sun is the Solar System's centre according to the heliocentric theory.
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in the northern hemisphere, as air moves towards the equator the coriolis effect causes wind to have an apparent deflection to the:
In the Northern Hemisphere, as the air moves towards the equator, the Coriolis effect causes wind to have an apparent deflection to the right.
As air flows towards the equator in the Northern Hemisphere, the Coriolis force causes wind to deflect to the right. Winds that would ordinarily proceed in a straight path towards the equator are instead deflected eastward.
The rotation of the Earth causes the Coriolis effect, which affects the direction of the moving things on the planet's surface, including air masses. The Coriolis effect causes wind to appear to deflect to the left in the Southern Hemisphere.
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Which term refers to the seaward migration of depositional environments as a result of a local or global decrease in sea level?
The term which refers to the seaward migration of depositional environments as a result of a local or global decrease in sea level is known as regression.
When the water level in ocean basins falls below their capacity, the sea begins to expose previously covered regions. As a result, the submerged bottom is exposed. This is referred to as regression. We only detect horizontal rather than vertical changes.
Transgressions and regressions can be generated by tectonic events like orogenies, significant climate change like ice ages, or isostatic changes after ice or sediment load reduction.
Thus, regression is the appropriate term.
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according to the text, why is it that desertification has hit africa harder than any other continent?
1) Rapid diffusion of new agricultural technology, especially new high yield seeds and fertilizers.
2) The diffusion of agricultural technology.
3) By combining Borlaug's wheat varieties with new mechanized agricultural technologies, Mexico was able to produce more wheat than was needed by its own citizens, leading to its becoming an exporter of wheat by the 1960s.
Rapid diffusion of new agricultural technology, especially new high yield seeds and fertilizers, The diffusion of agricultural technology, By combining Borlaug's wheat varieties with new mechanized agricultural technologies refers to green revolution.
The first assertion emphasises the quick spread of modern agricultural technology, notably high-yielding crops and fertilisers, which has resulted in enhanced agricultural production in many parts of the world.
The second statement particularly relates to agricultural technology diffusion, emphasising that the adoption of new farming techniques and technologies has been a significant driver of agricultural development in many nations.
The third statement demonstrates the impact of agricultural technology diffusion by explaining how the combination of new wheat varieties and mechanised farming methods allowed Mexico to boost agricultural output and become a major wheat exporter.
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The following question may be like this:
The given statements are based on ______.
1) Rapid diffusion of new agricultural technology, especially new high yield seeds and fertilizers.
2) The diffusion of agricultural technology.
3) By combining Borlaug's wheat varieties with new mechanized agricultural technologies, Mexico was able to produce more wheat than was needed by its own citizens, leading to its becoming an exporter of wheat by the 1960s.
TRUE OR FALSE The areal extent of continental crust has remained constant over Earth history
The statement "The areal extent of continental crust has remained constant over Earth's history". The given statement is false.
The area and distribution of continental crust have changed significantly over the Earth's history due to a variety of tectonic processes such as plate movements, mountain building, erosion, and subduction. For example, during the Precambrian era, the continents were not as well defined as they are today, and there were periods when the Earth had supercontinents such as Rodinia and Pangea.
Thus, the mentioned given-above statement is False.
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a system of planting crops on ridge tops in order to reduce farm production costs and promote greater soil conservation
A system of planting crops on ridge tops in order to reduce farm production costs and promote greater soil conservation is known as ridge tillage.
Ridge tillage involves shaping the soil into ridges with specialised equipment such as a ridge plough or a lister. Crop seeds are then planted on the tops of the ridges, where they will benefit from increased drainage, aeration, and less soil erosion.
Farmers can limit the need for tillage by growing crops on the tops of ridges, which can help to conserve soil and cut production costs.
Ridge tillage is commonly utilised in places with sloping terrain or where soil erosion is a major issue. The ridges formed by this procedure can aid to keep soil from washing away during heavy rains or high winds.
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TRUE OR FALSE 106) A country with more than one million inhabitants that is not a member of the United Nations is China.
A country with more than one million inhabitants that is not a member of the United Nations is China. This statement is false.
China is one of the five permanent members of the Security Council and one of the founding members of the UN. The Republic of China (ROC), one of the victorious Allies of World War II (the Chinese theatre of which was the Second Sino-Japanese War), joined the UN upon its establishment in 1945.
The People's Republic of China (PRC) was founded in 1949 as a result of the ensuing resumption of the Chinese Civil War. Soon, almost the entire Mainland China was under its control, and the ROC government fled to Taiwan. Although both governments supported the One-China policy, which eliminated the dual representation option, the United States and its allies opposed it because of the Cold War and the Korean War.
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Under what conditions do pillow lavas form?
Pillow lavas are lava lobes that are bulbous, spherical, or tubular in shape. They arise during relatively low effusion rate eruptions.
Pillow basalt is a volcanic igneous rock that occurs when basaltic lava erupts underwater. The pillow-shaped bodies are formed by the quick cooling of the lava by cold water on all sides, which can then break open and extrude more of the hot lava from within.
Elongate lava pillow mounds are created by repeated oozing and cooling of molten basalt. First, a flexible glassy crust forms around the newly extruded lava, expanding the pillow. The pressure is then increased until the crust fractures and new basalt extrudes like toothpaste, making another pillow.
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To answer, under what conditions do pillow lavas form.
Pillow lavas form when molten lava is rapidly cooled and solidified as it comes into contact with water. This typically occurs in underwater volcanic eruptions, where lava is ejected from a vent on the seafloor and encounters the surrounding seawater.
The cooling of the lava is so rapid that it forms a solid outer layer, which cracks and fractures as more lava flows out from the vent. This creates pillow-shaped structures that can stack on top of each other to form extensive lava fields on the seafloor.
So, the main condition for the formation of pillow lavas is the interaction between molten lava and water, particularly in underwater volcanic eruptions.
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THE GREAT SPHINX HAS BEEN BADLY DAMAGED BECAUSE OF ?
The Great Sphinx has suffered various forms of damage over the centuries due to natural weathering, erosion, and human activities.
Why has the Great Sphinx been damaged ?One of the most significant periods of damage occurred during the reign of the pharaoh Thutmose IV (1401-1391 BC), who is believed to have ordered the excavation of the Sphinx from the sand dunes that had buried it over time.
During this excavation, the Sphinx's neck and shoulders were severely damaged, likely due to the use of heavy equipment and/or the removal of large stones that had been supporting the structure.
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TRUE OR FALSE 101) France is a good example of a unitary state.
France is a good example of a unitary state. The statement is true.
France is a unitary state, which means that power is concentrated in the central government and regional or local governments have limited autonomy.
The French Constitution establishes a highly centralized system of government, with a strong executive branch headed by the President and a two-chamber parliament consisting of the National Assembly and the Senate.
While France does have a system of regional and local governments, these entities have relatively limited powers and are subject to the authority of the central government.
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What two factors exert the greatest influence over a terrestrial biome?
A) Temperature and precipitation
B) Species diversity and species density
C) Number of detritivores and herbivores
D) Soil deposition and soil profile
The two factors that exert the greatest influence over a terrestrial biome are: A) Temperature and precipitation These factors determine the climate of the region, which in turn influences the types of plant and animal species that can thrive in that particular biome.
Temperature and precipitation are two key climatic variables that affect weather patterns and ecosystems. Temperature refers to the measure of heat in the atmosphere and is typically recorded in degrees Celsius or Fahrenheit. It plays a critical role in shaping the distribution of vegetation, animals, and human settlements. Precipitation, on the other hand, refers to the amount of moisture that falls from the atmosphere in the form of rain, snow, sleet, or hail. Precipitation is essential for maintaining freshwater sources, supporting agriculture, and regulating climate. The interplay between temperature and precipitation is complex, and their variations have significant impacts on the environment and society, including droughts, floods, and storms.
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the angle between the prevailing wind and the direction of a wind driven current is group of answer choices the same 90 degreres to the right in the northern hemisphere 45 degrees to the left in the northern hemisphere 45 degrees to the right in northern hemisphere
The angle between the prevailing wind and the direction of a wind-driven current is an important factor in understanding ocean currents. In the northern hemisphere, the Coriolis effect causes the wind to deflect to the right of its original direction, creating a clockwise circulation.
As a result, the angle between the prevailing wind and the wind-driven current is typically 45 degrees to the right in the northern hemisphere.
This angle is crucial in determining the strength and direction of ocean currents, as the wind has a direct impact on the movement of water.
Understanding the relationship between prevailing winds and ocean currents is critical in predicting and mitigating the impact of weather events like hurricanes and typhoons.
Overall, the angle between the prevailing wind and wind-driven current is an essential factor in the study of oceanography and understanding the complex movements of water around the world.
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larger groups would quickly use up all of the food within walking distance Why did hunter gatherers live in small groups? (usually less than 50)
Hunter-gatherers lived in small groups due to limitations of food availability within walking distance, necessitating mobility for foraging and avoiding overexploitation of local resources.
Because bigger populations would soon deplete the nearby food supplies, hunter-gatherers lived in compact communities. Foraging and avoiding over-exploitation of the ecosystem required mobility. Smaller groupings enhanced social cohesiveness and collaboration decreased rivalry for scarce resources and allowed for flexibility in the search for new food sources.
Smaller groups were also easier to manage in terms of social coordination, decision-making, and mobility—all of which were essential for surviving in a nomadic lifestyle dependent on hunting, gathering, and resource sharing among group members.
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Angle g is congruent to which angle? lines m and n are parallel h,i,g,j,l,e
If angles h, i, g, j, and l are congruent, then angles h and l are also congruent. Therefore, the answer is D) Angle n.
To see why, we can use the fact that if two angles are congruent, then their corresponding sides and angles are also congruent. Let's say that lines m and n are parallel and that h and l are congruent. Then, since m and n are parallel, the corresponding sides m and n are parallel and of the same length.
Similarly, since h and l are congruent, the corresponding sides h and l are parallel and of the same length. Therefore, m and n are congruent, and angle n is the same as angle m.
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Full Question: If angles h, i, g, j, and l are congruent, then which of the following is also congruent? A) Angle e B) Angle f C) Angle m D) Angle n
Example of changing agricultural practices affecting gender equality?In Gambia, international development projects have converted wetlands that used to be subsistence family farming into commercialized land for rice production with revenues going to men. Women do the work of rice production but see little benefit.
Agricultural practices in Gambia, where wetlands are converted for commercial rice production, have impacted gender equality as women, who do the work, see little benefit with revenues going to men.
Gender equality in the Gambia has been greatly impacted by the country's shifting agricultural practices as a result of foreign development initiatives. Wetlands that were formerly utilised for commercialised rice growing have been transformed from subsistence family farming, with profits going primarily to men.
Regarding access to resources, decision-making authority, and economic opportunities, women, who perform the majority of the labour in rice production, frequently receive little to no benefit from commercialization. This highlights the intersection of agriculture, gender, and development dynamics in the area.
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what is the name for small, branching channels that carry water away from the main river channel and distribute it over the surface of the delta?
The name for small, branching channels that carry water away from the main river channel and distribute it over the surface of the delta is distributaries.
Distributaries are small, branching channels that are formed when a river delta reaches the ocean or a lake. A river delta is a landform that is created when sediments, such as sand and silt, are deposited at the mouth of a river where it meets an ocean or a lake. As the sediment builds up, it can create a network of channels that distribute the river water and sediment over the delta's surface.
Distributaries are smaller channels that branch off from the main river channel and carry water away from the main channel, distributing it over the surface of the delta. These channels can be shallow or deep, and they can meander and shift over time as the river's flow changes.
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TRUE OR FALSE 78) Zaire (Democratic Republic of the Congo) is a good example of a compact state.
True, Zaire (Democratic Republic of the Congo) is a good example of a compact state.
A compact state refers to a country with a relatively round shape, where the distance from the center to any point on its boundary is roughly equal in all directions.
The Democratic Republic of the Congo, formerly known as Zaire, is characterized by its fairly round shape and central location within Africa.
This compactness facilitates more efficient governance and resource distribution, as well as reduced potential for conflicts with neighboring countries due to fewer border disputes.
Moreover, the country's central position enables it to maintain a degree of national unity and balance among various ethnic groups.
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What would be the advantage of switching to perennial crops over annual crops that must be replanted every year?
Perennial crops have deeper root systems than annual crops, making soil particles more challenging to dislodge and, as a result, reducing soil erosion.
What is the benefit of a plant being a perennial?One of the most significant advantages of perennial plants is that they do not require replanting every year. Gardeners can save time and energy by not removing plants from previous years' flowerbeds, sowing seeds, and composting and mulching an area every year. A number of commercially important crops are perennials, meaning they yield a harvest for several years. These include all tree crops (such as apples, citrus, almonds, coffee, cocoa, oil palm, and so on), blueberries, cranberries, asparagus, grapes, alfalfa, rhubarb, chives, mint, and others, as well as Among the fruits and vegetables are blueberries, cranberries, asparagus, grapevines, Alfalfa, rhubarb, chives, mint and others.
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It reduces loss from disease, pests or drought, controls soil erosion and depletion, and doesn't require expensive fertilizers, herbicides, or pesticides What are the pros of intertillage?
Intertillage reduces loss from disease, pests or drought, controls soil erosion and depletion, and avoids expensive fertilizers, herbicides, or pesticides.
Traditional agricultural methods like winter tillage, which entails routinely cultivating the soil in between crop rows, provide several advantages. First off, by interfering with their life cycles and decreasing their populations, it can lessen losses caused by illnesses, pests, and drought. Second, by encouraging soil conservation and boosting nutrient cycling, winter tillage aids in reducing soil erosion and depletion.
Thirdly, because it naturally controls pests and weeds, it can lessen the need for costly fertilisers, herbicides, and insecticides. In general, winter tillage can be a profitable and sustainable method of growing crops, especially in organic or small-scale agricultural systems.
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The __________ waves travel through Earth interior where rock density _____________ toward Earth center
The seismic waves travel through Earth's interior where rock density varies towards the Earth's center. Seismic waves are vibrations that travel through the Earth caused by earthquakes, volcanic eruptions, and other sources. These waves propagate through the Earth's interior and can provide valuable information about its structure and composition.
There are two types of seismic waves: primary (P) waves and secondary (S) waves. P waves are longitudinal waves that travel through solids, liquids, and gases, whereas S waves are transverse waves that can only travel through solids. As these waves propagate through the Earth's interior, they encounter different types of rock with varying densities.
The density of rock increases towards the Earth's center due to the immense pressure and temperature. As a result, seismic waves can change direction, speed, and amplitude as they encounter different types of rock with varying densities.
By analyzing these changes, scientists can infer the Earth's composition, structure, and even the presence of fluids, such as water or magma, in the subsurface.
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Which heat transfer process is most directly responsible for the heat you feel on the bottom of your feet when walking across hot coals?A. ConductionB. ConvectionC. AdvectionD. Radiation
The heat transfer process that is most directly responsible for the heat you feel on the bottom of your feet when walking across hot coals is conduction. Option A.
Conduction is the transfer of heat energy from one object to another through direct contact. When you walk across hot coals, the heat from the coals is conducted through the soles of your feet and into your skin. This is why you feel the intense heat on the bottom of your feet.
Although radiation and convection are also involved in the process of walking across hot coals, they are not as directly responsible for the heat you feel as conduction.
Radiation is the transfer of heat energy through electromagnetic waves, and convection is the transfer of heat energy through the movement of fluids.
These processes are not as directly involved in the transfer of heat from the coals to your feet as conduction. Therefore, conduction is the most important heat transfer process in this scenario.
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agriculture undertaken primarily to generate products for sale off the farm
Agriculture that is undertaken primarily to generate products for sale off the farm is often referred to as commercial agriculture.
This type of agriculture typically involves the production of crops or livestock that are intended for sale to consumers or other businesses. In this context, the term "products" refers to the goods that are produced through agricultural activities, such as crops like wheat, corn, and soybeans, or livestock products like beef, dairy, and poultry. Commercial agriculture can be a profitable venture for farmers who are able to efficiently manage their operations and effectively market their products.
Agriculture undertaken primarily to generate products for sale off the farm is known as commercial agriculture. In this type of farming, various agricultural practices are undertaken with the main goal of producing products to be sold in markets or to other businesses, rather than for personal consumption.
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TRUE OR FALSE Development of states is traced to the Fertile Crescent in the Middle East.
True. Development of states is traced to the Fertile Crescent in the Middle East.
This region has been identified as the birthplace of civilization and the cradle of agriculture, where early humans developed and began to domesticate plants and animals. This allowed them to form permanent settlements, which eventually grew into cities and states.
The Fertile Crescent was home to some of the earliest known civilizations including the Sumerians, Babylonians, and Assyrians. These societies developed organized governments, laws, and writing systems, which laid the foundations for the development of states.
This region also developed complex trade networks and religious systems that influenced much of the ancient world. The Fertile Crescent was a crucial part of the development of the modern world, and its legacy continues to be felt today.
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the time when human beings first domesticated plants and animals and no longer relied entirely on hunting and gathering
The transition from hunting and gathering to agriculture and domestication of plants and animals is believed to have occurred around 10,000 years ago, during the Neolithic Era.
This marked a significant shift in human society as it allowed for a more stable and reliable source of food, leading to the development of settlements and civilizations. While hunting still played a role in some societies, it was no longer the primary means of survival. The time when humans first domesticated plants and animals and no longer relied entirely on hunting and gathering is known as the Neolithic Revolution or the Agricultural Revolution. This transition occurred around 10,000 BCE, marking a significant shift in human lifestyle and development.
A extremely old civilization is the Norte Chico Civilization. It is believed to have begun sometime in the fourth millennium BC and thrived and prospered until the second millennium BC. It was situated in Peru's north central coastline region.
Between 900 and 200 BC, the Chavin Civilization flourished. It began in the Peruvian Andes' core region and eventually moved, both geographically and due to its effect, towards the shore. The Chvin Civilization had a significant influence on the Moche Civilization, which flourished between 100 and 700 AD. It was situated in Peru as well.
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Most Iceland eruptions consist of basaltic lava flows that pose relatively little risk to towns or structures, but the Grimsvötn eruption of 1996 resulted in considerable property damage. The most important reason for this was?
Grimsvötn eruption of 1996 resulted in considerable property damage. The most important reason for this was the presence of glacier.
Iceland's Grmsvötn volcano is situated below the glacier ice cap. In 1996, when the volcano erupted, a significant amount of glacial ice was melted, which led to a significant glacial flood. Roads, bridges, and structures sustained significant damage as a result of the jökulhlaup, a flood that carried copious amounts of water, ice, and debris down the rivers and valleys surrounding the volcano.
In Iceland, where there are many glaciers and volcanoes, jökulhlaups are a frequent risk related to volcanic eruptions. The heat produced by a volcano eruption beneath a glacier can melt significant amounts of ice, causing a sudden release of water and debris.
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TRUE OR FALSE70) The boundary between the Republic of Ireland and Northern Ireland is a good example of a physical boundary.
FALSE. The boundary between the Republic of Ireland and Northern Ireland is not a good example of a physical boundary.
This is because the boundary is not defined by a physical feature such as a mountain range or a river, but rather by political and historical factors.
The boundary was created by the Government of Ireland Act 1920 which partitioned Ireland into two separate entities - Northern Ireland and the newly formed Irish Free State.
The boundary was further refined by the Good Friday Agreement in 1998, which aimed to promote peace and reconciliation between the two communities.
Therefore, the boundary between the Republic of Ireland and Northern Ireland is a political boundary rather than a physical one.
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