Answer:
As wind or an ocean current moves, the Earth spins underneath it. ... The Coriolis effect bends the direction of surface currents to the right in the Northern Hemisphere and left in the Southern Hemisphere. The Coriolis effect causes winds and currents to form circular patterns.
Explanation:
what are the two processes that lead to genetic variation during meiosis
The recombination and independent assortment.
What term would be applied to a regulatory condition that occurs when a protein is associated with a particular section of DNA and greatly reduces transcription
Answer:
negative control
Explanation:
Osteoporosis is a disease that affects the __.
Answer:
bones
Explanation:
it's also known as brittle bone disease.
scientist has been tracking and studying a population of deer in Yellowstone National Park. He surveys the
population every six months. Usually, the population is thriving and has a gene pool with a wide variety of traits. But
during one six-month period, an event occurred that affected the population, and when the scientist returned, the
amount of genetic variation had decreased significantly. Which of the following is most likely the event that occurred
to change the population?
O Yellowstone National Park expanded its borders.
A population
of wolves was introduced into Yellowstone National Park.
• The amount of disease in the deer population decreased.
• More grass and shrubs were planted in Yellowstone National Park.
Answer:
A population of wolves was introduced into Yellowstone National Park.
Explanation:
Got it right on edge
which option is one way that the circulatory system helps maintain body temperature?
Answer:
Vasoconstriction and Vasodilation
Explanation:
a woman is a healthy carrier of the cystic fibrosis gene (a recessive trait) and her husband is an unaffected male. what is the probability of an unaffected child from this pairing
The probability of having an unaffected child from the pairing = 0.5
Assumption
Let ; X = Dominant trait
y = recessive trait
The woman been a healthy carrier will have an allele combination of ; Xy
while the unaffected male will have = XX
Their offsprings will have the following allele combinations
X X
X XX XX
y Xy Xy
Number of allele combinations = 4
Number of carrier = 2
Number of unaffected = 2
∴ probability of having an unaffected child = 2/4 = 0.5
Hence we can conclude that The probability of having an unaffected child from the pairing = 0.5
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a countercurrent heat exchanger enables an animal to
Some animals have adaptions to their circulatory system that enable them to transfer heat from arteries to veins, warming blood returning to the heart. This is called a countercurrent heat exchange; it prevents cold venous blood from cooling the heart and other internal organs.
Which of the following is NOT one of the chambers of the heart?
Answer:
c. Mediastinum
Explanation: is correct
The mediastinum is an area. A division of the thoracic cavity
Mediastinum is not one of the chambers of the heart. So, the correct option is (C).
What is Heart?The heart is an organ roughly the size of a fist that pumps blood through the body. It is made up of several layers of tissue present in the center of the circulatory system.
The heart is divided into four chambers with two chambers at the top i.e. atrium, plural atria and two at the bottom i.e. ventricles, one on each side of the heart.
The right atrium contains two large veins that deliver oxygen-poor blood to the right atrium. Superior Vena Cava carries blood from the upper part of the bodyThe right ventricle is the lower right chamber that pumps oxygen-poor blood to the lungs through the pulmonary artery. The lungs reload the blood with oxygen.The left atrium received the blood by pulmonary veins after the lungs fill blood with oxygen. This upper chamber pumps the blood to your left ventricle.The left ventricle is larger than the right. It pumps oxygen-rich blood to the rest of your body.The heart valves act like the doors between the heart chambers which open and close to allow blood to flow through.
The atrioventricular (AV) valves open between the upper and lower heart chambers. They include:
Tricuspid valveMitral valveSemilunar (SL) valves open when blood flows out of the ventricles. They include:
Aortic valvePulmonary valveThus, mediastinum is not one of the chambers of the heart. So, the correct option is (C).
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In response to hemorrhage, there is A) peripheral vasodilation. B) increased parasympathetic stimulation of the heart. C) mobilization of the venous reserve. D) constriction of elastic arteries to maintain blood pressure. E) increased blood flow to the digestive system.
Answer:
Either B) increased parasympathetic stimulation of the heart. OR D) Constriction of elastic arteries to maintain blood pressure. I'm leaning more towards D) constriction of elastic arteries to maintain blood pressure.
In response to hemorrhage, there is peripheral vasodilation is either increased parasympathetic stimulation of the heart or Constriction of elastic arteries to maintain blood pressure. I'm leaning more towards constriction of elastic arteries to maintain blood pressure.
What is the effect of high blood pressure?
Heart attack has been the condition in which heart fails to pump the blood due to the blockage in the blood vessels and it has been results into the high pressure on the heart and the attack takes place.
In response to hemorrhage, there is peripheral vasodilation is either increased parasympathetic stimulation of the heart or Constriction of elastic arteries to maintain blood pressure.
The main reason for heart attack has high blood pressure and blockage in blood vessels of heart. After a heart attack many parts of heart such as volve and pacemaker stops working and sudden death may occur.
Therefore, In response to hemorrhage, there is peripheral vasodilation is either increased parasympathetic stimulation of the heart or Constriction of elastic arteries to maintain blood pressure. I'm leaning more towards constriction of elastic arteries to maintain blood pressure.
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Which of the following steps in wastewater treatment is an example of biotechnology?
I. Microorganisms are added to feed on solids in wastewater
II. Bar screening is used to separate solid wastes from liquid wastes
III. Primary clarifiers separate solids and liquid wastewater
I only
I and III
III only
I, II, and III
#carry on learning
Answer:
A. I only
Explanation:
Microorganisms living in groundwater are constantly consuming dangerous chemicals and lots of organic materials. This process is called bioremediation, which is known to break down pollutants that could be useful in the treatment of wastewater.
Are mosses a direct ancestor of flowering plants?
Answer:
Mosses are not a direct ancestor of flowering plants
Explanation:
What causes hot spot volcanism?
a. Pyroclastic flows
b. Mantle convection
c. Mantle plumes
d. Subduction
Answer:
The correct answer is C.) Mantle Plumes
Explanation:
Took the test and got it correct! Hope this helps! Have a good day!
a ____ is destruction of the brain tissue caused by lack of blood flow to the brain.
Answer:
A stroke
Explanation:
explain why the number of bacteria is highest at zero
Explanation:
The number of bacteria was highest in zero metres because they are made up of very small size. This property help them to grow more and more at zero metres and they are found in large numbers.
What is the answer to this?
Answer:
I think it’s calcium carbonate
Hope this helps!
Answer: Calcium carbonate
Explain That is the answer
I didn't copy mgera23 so pls don't say I did
Which vein carries blood from the digestive organs to the liver?
Answer:
d. Hepatic portal vein
Explanation: is in fact, correct
Name 5 elements that make up the molecules in
living things.
Explanation:
Five elements—carbon, hydrogen, oxygen, nitrogen and sulfur—form the amino acids of proteins, and if we exchange phosphorus for sulfur five elements also compose nucleic acids like DNA.
3. In the 1660s, Flemish physician Jan van Helmont grew a small willow tree in a pot of soil. He
added only water to the pot. At the end of five years, he found that the tree had gained 75
kilograms, but there was very little change in the mass of the soil. Van Helmont concluded that
the plant gained weight directly from the water. We now know that this conclusion is only
partially correct because, in addition to water, photosynthesis also requires
(1) oxygen from the atmosphere
(2) proteins from animal prey
(3) carbon dioxide from the atmosphere
(4) carbohydrates from the soil
The conclusion that can be drawn by Flemish physician Jan van Helmont is partially correct because, in addition to water, photosynthesis also requires carbon dioxide from the atmosphere. Thus, the correct option for this question is C.
What is Photosynthesis?Photosynthesis may be defined as a process through which green plants and some photosynthetic algae synthesize their own food in the form of glucose with the help of carbon dioxide and water in the presence of sunlight.
The complete reaction of photosynthesis is as follows:
[tex]6CO_2+12H_2O[/tex] → [tex]C_6H_1_2O_6+6O_2+6H_2O.[/tex]With the help of this reaction, it is identified that carbon dioxide and water act as reactants in photosynthesis while glucose and oxygen are the products. Hence, along with water, carbon dioxide must also be required in order to accomplish the process of photosynthesis.
Therefore, the correct option for this question is C.
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explain why a bone is referred to as a living tissue?
Bones are living tissue which have their own blood vessels and are made of various cells, proteins, minerals and vitamins. This structure enables them to grow, transform and repair themselves throughout life.During childhood and adolescence, cartilage grows and is slowly replaced by hard bone.That is why children bones are a little harder to break but adult bone a little easier to break because there bone gets harder when they grow :)
Hope this helps :)
Which of the following are foreign substances to the body that generate an immune response?
Answer:
C. Antigens is correct
Explanation:
_______ generates seismic waves in a fault, resulting in an earthquake.
a. rupture in a fault
b. subduction at a converging plate boundary
c. buildup of lithotastic pressure
d. triangulation
Answer:
A. Rupture in a fault
Explanation: This answer is correct! :)
The correct option is A.
What are Seismic Waves?Seismic waves are caused by the sudden movement of materials within the Earth, such as slipping along a fault during an earthquake. Volcanic eruptions, explosions, landslides, avalanches, and even rushing rivers can also cause seismic waves.
What generates seismic waves in a fault resulting in an earthquake?As tectonic plates move past each other along fault zones, they sometimes get stuck. Pressure builds, and when the plates finally give and slip, energy is released as seismic waves, causing the ground to shake.
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yeast have mitochondria and can perform cellular respiration. what would you expect to be consumed and produced during the process of cellular respiration in yeast?
Full form of DNA is____________
Answer:
Deoxyribonucleic acidExplanation:
#In biology
The graph below shows the approximate average annual ocean heat content from 1993 to 2020. It was created using data from NOAA. Line 1 represents ocean levels from the surface to 2,300 feet below ocean surface. Line 2 represents ocean levels from 2,300 feet to 6,560 feet below ocean surface. Line 3 represents ocean levels below 6,560 feet under the ocean surface. Graph shows the average annual ocean heat compared to the 1993 average represented as the 0 baseline from 1993 to 2020. Vertical axis shows ocean heat content measured in 10 to the 21 power joules. It starts at negative 60 and goes up to 180 in increments of 20. The horizontal axis shows years from 1995 to 2020 in multiples of 5 years. From 1995 to 2020, Line 1 starts at 20 and has an average growth of 7 vertical units per year. From 1995 to 2020, Line 2 starts at negative 20 and has an average growth of 4 vertical units per year. From 1995 to 2012, Line 3 starts at 0 and has an average growth of 1.3 vertical units per year. Data Source: © 2021 NOAA Which statement describes the approximate average trend of ocean heat content between 2,300 and 6,560 feet under the ocean during this time period? An increase of about 130 x 1021 joules An increase of about 80 x 1021 joules A decrease of about 20 x 1021 joules A decrease of about 80 x 1021 joules
The heat content change between 1993 and 2020 is lowest in the ocean levels below 6,560 feet.
The statement that describes the approximate average trend of ocean heat content between 2,300 and 6,560 feet is; An increase of about 80 × 10²¹ joulesReasons:
The graph that represent the heat content levels of the ocean at 2,300 feet to 6,560 feet is line 2
From the graph, we have;
The ocean heat content in 1993 = -20 × 10²¹ joules
The ocean heat content in 2020 = 60 × 10²¹ joules
The increase in heat content between 1993 and 2020 is therefore;
ΔH = 60 × 10²¹ - (-20) × 10²¹ = (60 - (-20)) × 10²¹ = (60 + 20) × 10²¹ = 80 × 10²¹
The increase in heat content between 1993 and 2020 = 80 × 10²¹ joules
The correct option is; An increase of about 80 × 10²¹ joules.
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Mammals use trees for both food and shelter.
Please select the best answer from the choices provided
T
F
Answer:
True
Explanation:
The Products (molecules on the right side of a chemical equation) of Aerobic Cellular Respiration are __________.
Answer:
The products of aerobic cellular respiration are CO2, H20 (Water Vapour), and Energy.
C6H1206 + O2 ➔ CO2 + H20 + Energy
Glucose + Oxygen ➔ Carbon Dioxide + Water Vapour + Energy
Why is visceral muscle also called smooth muscle?
Answer:
a. It lacks striated fibers.
Explanation: is correct/post protected
Which human activity has MOST negatively affected air quality?
A.) burning coal
B.) growing crops
C.) using solar energy cells
D.) constructing nuclear power plants
Which human activity has MOST negatively affected air quality?
D.) constructing nuclear power plantsHope it help ;-)
describe the parts of the synovial joint and state their functions?
What evidence supports the idea that an evolutionary relationship exists between two hominid species?
Bone density of the species
Mitochondrial DNA of the species
Number of teeth of the species
Geographic location of the species
Answer:
Your answer will be Mitochondrial DNA of the species. I hope this helps.
Explanation:
The evidence that mitochondrial DNA of the species supports the idea that an evolutionary relationship exists between two hominid species. The correct option is B.
What is evolutionary relationship?Relationships formed through the worldwide process of evolution between two separate creatures are known as evolutionary relationships.
They are, in other words, the connections between two species that shared an ancestor.
A group of organisms' evolutionary relationships and histories are known as its phylogeny in science.
A phylogeny describes the relationships between creatures, including where they are assumed to have originated from, which species they are most closely related to, and other information.
Purple non-sulfur bacteria were permanently enslaved to create mitochondria.
Through the development of sophisticated protein-import machinery and the insertion of protein carriers for host energy extraction into their inner membranes, these endosymbionts developed into organelles.
Thus, the correct option is B.
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