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Vlad [161]
3 years ago
11

What is a comet and where do comets come from?

Biology
1 answer:
Vladimir [108]3 years ago
4 0

Explanation:

1. a comet is an icy small solar system body that when passing close to the Sun warms and begins to release gas has a process called outgassing. this produces a visible atmosphere, and sometimes also a tail.

2. comets have two sources. long period comets originate from the Oort cloud. short period comets originate from the Kuiper belt

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Help me please
sertanlavr [38]

Answer:

it would drastically increase

Explanation:

Studies have shown that the increased amount of pollution has led to a drastic decline in the number of white-colored moths. Therefore, if pollution decreased and the environment was restored, then white-colored moths would once again thrive and their population would drastically increase. This is because, with less pollution, the white-colored moths are much harder for predators to see and are able to blend in easier with their surroundings. This therefore, allows them to survive long enough to reproduce.

5 0
3 years ago
Red bone marrow only differs from yellow bone marrow because of a difference in the amount of which substance?
Levart [38]

Red bone marrow only differs from yellow bone marrow because of a difference in the amount of fat.

<h3>What is Bone marrow?</h3>

Bone marrow may be defined as an absorptive substance discovered in the middle of the bones. It synthesizes bone marrow stem cells and other substances which are responsible for producing blood cells.

The complete question is as follows:

  • the amount of antibody
  • the amount of cytokine
  • the amount of antigen
  • the amount of fat

Red marrow includes blood stem cells that can evolve into the different components of blood such as red blood cells, white blood cells, or platelets. While yellow marrow is constructed predominantly of fat.

Thus, it is well described above.

To learn more about Bone marrow, refer to the link:

brainly.com/question/14412520

#SPJ1

4 0
2 years ago
which conversion is the function of a photovoltaic cell? A) sunlight to electricity B) sunlight to mechanical energy C) sunlight
allochka39001 [22]

Answer: D

Explanation:

3 0
3 years ago
PLEASE HELP!
Norma-Jean [14]
Proteins have structural roles throughout the body. Carbohydrates are the major energy source for cells in the body. I am unsure if lipids or nucleic acids apply. 
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While students are studying a rock outcrop along a highway, they discover a sedimentary rock layer that contains fish fossils. W
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The local area was once an aquatic environment
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