prinavi9olechoc prinavi9olechoc

20-02-2016
Physics

contestada

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.

Respuesta :

PutereDinu PutereDinu

20-02-2016

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

Answer Link

sabrenajohnson37 sabrenajohnson37

13-11-2019

Answer:

in oceans and underground.

Explanation:

Answer Link

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