Answer:
Trace minerals are those minerals which we need in lesser amount for our body which includes iron, copper, zinc, cobalt, selenium etc.
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The phosphorus cycle does not include an atmospheric component because phosphorus does not cycle through the atmosphere. In comparison, important processes of the carbon and nitrogen cycle occur in the atmosphere.
D is the correct answer. everything said in all of the above is in the mitochondria to help it function.
It's basically to reproduce. You are here because of reproduction from your parents.