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1. What change in Earth's atmosphere allowed life to form?

a
Solar radiation split molecules
b
A meteor strike
c
The formation of the oceans
d
The development of an ozone layer

User Stevenmw
by
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1 Answer

5 votes

Answer:

D the development of an ozone layer

Step-by-step explanation:

the rest don't relate to the atmosphere

User Mike Mackintosh
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