It’s essential for the creation of DNA, cell membranes, and for bone formation in humans. It is also vital for food production.
Answer:
The ocean produces oxygen through the plants (phytoplankton, kelp, and algal plankton) that live in it. These plants produce oxygen as a byproduct of photosynthesis, a process which converts carbon dioxide and sunlight into sugars the organism can use for energy.
Explanation:
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Food, water, warmth, sunlight...
Answer:
they keep all the animals alive
Explanation:
