Answer:
Fusion
Explanation:
A star's energy comes from the combining of light elements into heavier elements in a process known as fusion, or "nuclear burning". It is generally believed that most of the elements in the universe heavier than helium are created, or synthesized, in stars when lighter nuclei fuse to make heavier nuclei.
Answer:
Nuclear fusion
Explanation:
Compare how the nervous system and endocrine system work to send messages through the human body.
Answer:
Here is Your answer vote me as brainlist.
Explanation:
One of the most significant differences between the nervous system and endocrine system is that the nervous system uses electrical impulses to send messages through neurons while endocrine glands use hormones to send messages to the target cells through the bloodstream.
The nervous system uses electrical and chemical signals to quickly send messages through the body, while the endocrine system uses hormones to gradually send messages through the bloodstream.
What is nervous and endocrine system?The nervous system uses electrical and chemical signals to transmit information rapidly and directly to specific target cells. This system is composed of neurons, which transmit impulses through the body, and specialized cells called neuroglia, which support and protect the neurons. The nervous system is divided into two parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and spinal cord and the PNS includes the nerves that extend out to the rest of the body.
The endocrine system, on the other hand, uses hormones to transmit information more slowly and diffusely throughout the body. Hormones are chemical messengers that are secreted by glands and travel through the bloodstream to target cells. The endocrine system includes a variety of glands, such as the pituitary gland, thyroid gland, and adrenal gland, that produce hormones that regulate various physiological processes, such as growth, metabolism, and reproduction.
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what is a tentative explanation?
Please help me I need the answer ASAP
Answer:
gray, pink, black and white, brown
Explanation:
that's a possible answer
John lives on a part of Earth where the angle of the sun's rays are very high, and the latitude is low. Which temperatures
does John experience quite often? (1 point)
A. high temperatures
B. moderate temperatures
C. low temperatures
D. temperatures that are sometimes very high and sometimes low
Answer:
The correct option is A
Explanation:
Since the angle of the sun rays are high where John lives, it shows his area is exposed to high radiation of sunlight which is a pointer to high temperature. The question also says his area's latitude is low. Low latitude are those areas close to the equator whose areas are typically warmer than those who live close to the poles. Hence, it can be said that John often experiences high temperature based on the description above.
John often experiences high temperatures (Option A).
The angle of solar radiation is directly associated with the temperature and the localization on the Earth.In regions of low latitude near to the Equator, the angle of the solar radiation is nearly perpendicular or closer to a 90˚ angle and temperatures are warmer.Conversely, in regions of high latitude and near the poles, the angle of solar radiation is smaller and temperatures are colder.In conclusion, John often experiences high temperatures (Option A).
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Larger lions have 15,000 kcal on average to expend per day and need to gain more than that to survive. If lions can only hunt less than 3 times per day, explain how lions obtain food with the lowest cost and greatest energy benefit.
Answer:
Wildebeest and Zebra.
Explanation:
Wildebeest and Zebra are the hunts which gives huge amount of energy and lowest cost of energy because Wildebeest gives 25000 available energy and 10000 energy cost to hunt and 15000 amount of energy remain while Zebra gives 170,000 while 55000 energy spend on the cost to hunt and 115000 is available energy to the lion that is enough for the lion per day energy requirements.
which provides the best evidence that life on earth has changed over the last few million years ?
The mineralized remains of an animal or plant. In short fossil.
In a chemical reaction, which aspect of the reactants changes?(1 point)
A. atoms
B. mass
C. nuclei
D. total mass
chemical reaction- The process by which atoms of one or more reactants are rearranged to form different products is called chemical reaction.
Reactants - reactants are the starting materials that undergo changes during a chemical reactionProducts- a product is a substance that is formed as the result of a chemical reaction.as example a figure is provided below.
so the answer is Atoms of the reactants which changes in a chemical reaction.
Botulism is a disease that causes vomiting, stomach pain, coughing, and muscle weakness. What systems would be most affected by botulism? (2b)
A.
the digestive, muscular, and respiratory systems
B.
the muscular, respiratory, and skeletal systems
C.
the digestive, cardiovascular and skeletal systems
D.
the skeletal, muscular, and nervous systems
Answer:
A. the digestive, muscular, and respiratory
Explanation:
Muscle weakness affects the muscular system (muscles are in the muscular system) , stomach pain affects the digestive system (stomach is a part of the digestive system), and coughing affects the respiratory system (coughing hinders the ability to breathe properly).
Answer:
a
Explanation:
Two white sheep produce both white sheep and black sheep in a 3:1 ratio. How can i do a punett square for this.
Answer:
you should just change out the bs for ws. i used bs so it would be easier to see since my ws look the same capital or lowercase
mitochondria are the ____ of the cell
Answer:
Mitochondria are the powerhouses of the cell.
Explanation:
They are the powerhouses because they are used to make adenosine triphosphate. Adenosine triphosphate is an energy carrying molecule.
In order to fit all of our DNA into our cells, it is wrapped around histone proteins and then...
A. reduction-bonded
B. bound to the wall of the Nucleus
C. compressed with a reducing sugar
D. supercoiled
Answer:
d
Explanation:
which statement best explains what happens when a cell is placed in a sugar solution with a sugar concentration that is lower than that of the cytoplasm of the cell?
Answer:
B.
Explanation:
I'm not COMPLETELY sure, but usually water wants to always make everything equal, so in order to make the sugar levels in both even, it will leave the cell to increase sugar levels inside and decrease levels outside.
You are living next to a field that is burning. The smoke is blowing towards your neighborhood. You are outside and there is so much smoke, you cannot see directly in front of you. Which human body systems would be MOST affected?
A.
Excretory and Digestive
B.
Respiratory and Circulatory/Cardiovascular
C.
Immune and Nervous
D.
Nervous and Muscular
Answer:
Hello now,
The human body system that would be most affected in this scenario would be B, the Respiratory and circulatory system.
Answer this for me? :)
Answer:
the answer is C
Explanation:
are timber rattlesnakes predators or scavengers
Answer:
The timber rattlesnake is an ambush predator that conceals itself, coiled up, under rocks or behind logs until the body heat and chemical scent signature of a prey species is sensed.
There you go Hope this helps :D
Answer:
this kind of snake is a predator and is also pret for bigger animals that eat reptiles, the answer is they are predators
Help? Today’s the last day to finish
This is for my biology class. It is for the osmosis potato lab (Google it if you don't know what it is) and I have to answer this question. I also have to include the words at the bottom. This is really confusing and I would be so happy if someone could please help me with this!
How can a scientist use this lab to determine the amount of solute in an Idaho potato?
Use the following vocabulary words in your final conclusion statement below:
Hypertonic, hypotonic, isotonic, dynamic equilibrium, solute, solvent, osmosis
Explanation:
A scientist can use this experiment to determine the amount of solute in any potato.
hypotonic solution is a relative term. it means when we compare two solutions one of them is considered to be a hypotonic if it's solute concentration is less than the other.
so if the solution has less solute concentration its hypotonic solution and if it has more amount of solute its hypotonic solution. if both solutions have same amount of solute then it will be considered as a isotonic solution. when we separate two solution hypertonic and hypotonic by a semipermeable membrane there occurs diffusion of water molecules from its higher concentration to its lower concentration that is from hypotonic solution to hypertonic solution.
this movement of water molecules is called osmosis. this occurs in order to obtain an dynamic equilibrium between the 2 solutions.
here we take start as solute and water as solvent.
thus when a scientist and potato in a hypotonic solution the water moves inside the potato cavity. the more the transfer of water molecules in the potato cavity the more in the sugar quantity present in the potato. this is because the water will try to obtain a dynamic equilibrium between the two solutions if the sugar quantity in the potato cavity is high then the water molecules needed to dilute that solution will also be high.
in in this way a scientist can determine the amount of salt present in the potato.
the table show five of the most common chromosomal abnormalities that occur during reproduction. each abnormality cause significant alteration to the genome of the individual in which they occur. analyze the information in the table and determine the genotype of the abnormality that will result in a male having some female characteristics
a) down syndrome;xy
b)edwards syndrome;xx
c)turner syndrome;xyy
d)kilinefelter syndrome;xxy
Answer:
kilinefelter syndrome;xxy
Explanation:
magma and lava form sedimentary true or false
lololololololololololololohi
Answer:
lololoolol
Explanation:
loloololo
What is the slope of 2/3
Answer:
Using the slope-intercept form, the slope is 0 .
Explanation:
Hope this helps!! :)
7. Choose the correct list of five major current environmental challenges. O
A. Climate change, species loss, crime, food shortage, pollution O
B. Climate change, species loss, environmental degradationpollutionand environmental Justice .
C. Environmental degradation, water shortage, environmental justice, food shortage pollution
D.Species loss, crime , water shortages , global cooling, food shortage
Answer:
B. Climate change, species loss, environmental degradation, pollution and environmental Justice .
Explanation:
These are all the current challenges what we usually see on the news or podcast.
Environmental degradation, water shortage, environmental justice, food shortage pollution are the five major current environmental challenges.
What are the environmental issues faced by the humans?Environmental issues are effects of human activity on the biophysical environment, most often of which are harmful effects that cause environmental degradation.
Major current environmental issues may include climate change, pollution, environmental degradation, and resource depletion. The conservation movement lobbies for protection of endangered species and protection of any ecologically valuable natural areas.
Pollution of air, land and water through excessive deforestation, industrialization and overfilling landfills which emits CO2 and adds to greenhouse gas emissions are all topmost causes of these environmental issues.
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The variety of different ways in which species within an ecosystem perform "jobs" that benefit the ecosystem and make it more resilient in the face of change is called
The variety of different ways in which species within an ecosystem perform "jobs" that benefit the ecosystem and make it more resilient in the face of change is called ____________.
A. Ecosystem Diversity
B. Functional Diversity
C. Species Diversity
D. Genetic Diversity
E. Biological Diversity
Answer: B. Functional Diversity
Explanation:
Functional diversity can be defined as the component of the biodiversity which is concerned with the range of functions that organisms of an ecosystem perform to sustain their lives. These functionals are important for maintaining the stability in the ecosystem among the members. The organisms can change their functions depending upon the situation of the surrounding environment this is called functional adaptation.
Answer:it’s b
Explanation:
Need help with this smart people answer this
Answer:
Her breathing is fast is NOT a sign.
Explanation:
Answer:
She tells you that it hurts is not considered a sign
Explanation:
If a doctor asks," Does it hurt?" The patient is most likely going to say yes if she is bleeding, her arms are puffy, and her breathing and heart rate are fast.
I HoPe ThIs HeLpS
In the 1960s the molecular biologist George Streisinger developed the strand- slippage hypothesis. Streisinger noticed that mutations occurred in areas of DNA that contained many repeated sequences. When a strand -slippage occurs, an insertion mutation can result. How does the insertion mutation affect the DNA?
The insertion mutation affects the DNA cause Nitrogenous bases are added to the mix. This is further explained below.
What is a DNA?Generally, DNA is ssimly defined as a molecule found inside cells of a living organism that holds the genetic information.
In conclusion. Nitrogenous bases are added to the mix with the insertion of mutation.
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How can we change the speed of a toy car on a racetrack to describe the car’s motion?
Answer:
get one of those blowers and blow it on the wheels to make the wheels spin very fast
Explanation:
Answer:
tilt the track the most 30 degress
Explanation:
If an enzyme has been denatured, can it “renature” if it’s returned to its normal temperature and pH range?
Answer:
No ot can't
Explanation:
Because the enzyme has changed its shape it has become unreversably denatured the active site does not match the substrate thefore their will be no reaction
I hope that helped
How is HIV able to evade the immune system and keep destroying T cells?
The maps above show the arrangements of Earth's continents and oceans 65 million years ago and at present. Which of the following best explains the change seen in the Atlantic Ocean over the last 65 million years?
A.
Tectonic plate motion caused the Atlantic Ocean basin to increase in size.
B.
Magnetic forces pulled continents apart to make the Atlantic Ocean basin larger.
C.
Tectonic plate motion caused the Atlantic Ocean basin to decrease in size.
D.
Magnetic forces pushed continents toward each other to make the Atlantic Ocean basin smaller.
Answer:
Tectonic plate motion caused the Atlantic Ocean basin to increase in size.
Explanation:
Tectonic plate motion caused the Atlantic Ocean basin to increase in size. In fact, all of the differences in size, shape, and position seen between the two maps are due to the shifting of tectonic plates over time.
According to plate tectonic theory, tectonic plate motion caused the Atlantic Ocean basin to increase in size. Therefore, option A is correct.
What are tectonic plates?Huge fragments of the Earth's crust and upper mantle make up tectonic plates. They are composed of both continental and oceanic crusts. Around mid-ocean ridges and the significant faults that define the plate boundaries, earthquakes happen. African, Antarctic, Eurasian, Indo-Australian, North American, Pacific, and South American are the seven primary plates mentioned in the World Atlas.
Large rock slabs called tectonic plates, which separate the Earth's crust, are continually moving and changing the planet's topography. According to the framework of ideas underlying the plate tectonics theory, the lithosphere, the Earth's outer shell, is divided into many plates that move across the rocky interior of the planet.
Tectonic plate motion caused the Atlantic Ocean basin to increase in size. Thus, option A is correct.
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Select the correct responses to the questions from the drop-down menus.
Which ope of precipitation is the most common?
Which one of precipitation is round pellets of ice less than 5 millimeters in diameter?
Which ype of precipitation is formed as pellets of ice are tossed up and down in clouds?
Answer:
freezing rain, sleet, and snow!
Explanation:
Most common type of precipitation is rain.Sleet are the round pellets of ice which is less than 5 millimeters in diameter.Hail are the precipitation formed as pellets of ice are tossed up and down in clouds.
What is precipitation?The complete question is attached to the image below
Precipitation is product of the condensation of atmospheric water vapour which falls under gravitational pull from clouds. The main forms of precipitation include drizzle, rain, sleet, snow, ice pellets, graupel and hail.
Sleet is basically rain that contain few ices in it. Hail is frozen rains that falls. wherease snow contain ice crystals.
Hence Rain, sleet, hail are the correct discription of the above.
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