How do the atmosphere conditions near the beginning of Precambrian time contrast with the atmosphere conditions that are present

Question

xz_007 [3.2K]

2 years ago

6

How do the atmosphere conditions near the beginning of Precambrian time contrast with the atmosphere conditions that are present

now?

Chemistry

1 answer:

babunello [35] · Answer 1 · 2022-08-26T01:12:14+03:00

The early precambrian atmosphere consisted primarily of nitrogen and carbon dioxide with almost no oxygen.

<span>Today, the atmosphere contains about 20% oxygen, less carbon dioxide and similar amounts of nitrogen. </span>

<span>Photosynthetic green-leaf plants and trees are largely responsible for the change, converting carbon dioxide to oxygen.</span>