Answer:
The answer should be C: mostly in the 20th century
Explanation:
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Plankton is part of an aquatic ecosystem
Answer:
Passive transport
Explanation:
Water is transported through channel proteins called aquaporins.
Answer:
The molecule that would be affected by 'limited nitrogen' is the myofibrillar proteins in muscle. Explanation: The myofibrils of the muscle have a number of protein molecules.
