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TEA [102]
3 years ago
11

What was the original atmosphere made of primarily? What is is made primarily of now?

Biology
1 answer:
taurus [48]3 years ago
7 0

Answer: Earth's atmosphere is 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03% carbon dioxide with very small percentages of other elements.

Explanation:

It included hydrogen sulfide, methane, and ten to 200 times as much carbon dioxide as today's atmosphere.

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If they didn't adapt, they couldn't survive in the changed environment.
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Do cells that do not undergo mitosis have a lesser chance of mutation and therefore a lesser chance of causing cancer?
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4 years ago
How are vascular plants and nonvascular plants different?
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4 0
3 years ago
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Where is MOST of the carbon on Earth stored?
Kay [80]

Most of the carbon in the earth is stored in the soil and air.

A) soil and air

<u>Explanation:</u>

Most of the carbon on earth is stored in rocks in the soil. There is approximately 2500 billion tons of carbon in the soil. The amount of carbon in the air is 800 billion tons and the amount of carbon found in plants and animals is 560 billion tons.

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4 0
3 years ago
Why do you think the processes of photosynthesis and respiration are interrelated?
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Hiya,

Of course both processes are needed by which how certain organisms live and strive but they're irrelevant to each other because photosynthesis only occurs in plants and most bacteria whereas respiration occurs in ALL living organisms.

Hope this helps!
7 0
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