Question

Trees gives us oxygen

Answer 1

Answer:

Trees also utilize oxygen when they break down the sugars they have created during photosynthesis to use for energy.

Explanation:

Answer 2

Answer:

well is this a question because it doesn't seem to be.

Explanation:

trees take carbon dioxide from atmosphere and give out oxygen. Human take in oxygen and release carbon dioxide.

So, they both are necessary for each other.

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