manuelalberto036 manuelalberto036

19-04-2020
Biology

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Explain two reasons why having an oxygen-rich atmosphere is important for pife on Earth?

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mrtutor23 mrtutor23

19-04-2020

Answer:

Humans need oxygen to breathe.

Majority of animals that humans depend on for food need oxygen to breathe.

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bbijina bbijina

19-04-2020

Answer:

First, oxygen makes up the ozone layer, blocking harmful radiation from the sun, and all living things need oxygen to survive!

Explanation:

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