3 years ago

How is modern Earth different from Earth over four billion years ago?

Biology

2 answers:

Alex_Xolod [135]3 years ago

5 0

Answer:

c and b

Explanation:

cause I believe that because of the populations and polutions that is cause of humans we are now lack of protective shield and green gases within our atmosphere

ki77a [65]3 years ago

4 0

I believe it’s B. Oxygen depleted from the earth making many animals smaller and not as mutated.

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