Question

last question armys
please tell the answer​

Answer 1

Answer:

HI ARMY PURPLE U♡♡♡HERE'S YOUR ANSWER. MARK AS BRAINLIEST...BYE XD

Answer 2

Answer:

Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide (CO2). CO2 is then taken up by algae and terrestrial green plants and converted into carbohydrates during the process of photosynthesis, oxygen being a by-product.

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