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During the Cambrian period on Earth, the ___________ layer developed along with the massive production of oxygen.

A) ozone
B) ocean
C) mantel
D) carbon dioxide

2 Answers

5 votes

Answer:

A) Ozone

Step-by-step explanation:

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answered
User Josh Kelly
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8.4k points
1 vote
The answer is A, ozone.
answered
User Compton
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7.8k points
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