What change in Earth's atmosphere alowed 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

D

Explanation:

the ozone layer formed and began to shield the surface of the Earth from the harmful ultraviolet light. This allowed life forms to evolve to survive on the surface of the oceans and on land and also allowed organisms who metabolize oxygen (like us!) to develop.

after making a punnet square using bv bv bv bv you will find that the ratio will be 9: 7 or a 128.6% probability.

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