Question

4: Answer the following questions:
1:How does seas and oceans sustains life?
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Answer 1

Answer:

the main reason is oxygen and water source

Explanation:

50 to 70 % of our oxygen comes from the ocean. ... The ocean is the #1 source of protein for more than a billion people. The ocean regulates our climate, absorbs carbon dioxide, holds 97% of Earth's water, and supports the greatest abundance of life on our planet.

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Answer 2

Answer:

bez there is oxygen dissolved in water so we xan breathe in water also

Explanation:

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