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Before an ozone layer formed to reduce radiation, life existed

a. in the air.
c. in oceans and underground.
b. in trees and plants.
d. on land.

2 Answers

4 votes

Answer:

in oceans and underground.

Step-by-step explanation:

User Paul Hinett
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Before an ozone layer formed to reduce radiation, life existed in oceans and underground.
User Asgallant
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