<span>ecosystems , is your answer if I'm not wrong
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Answer:
the basic unit of a chemical element.
Explanation:
Human activities such as pollution , like trash , or boat oil can effect the waters that house 100 of creature and as for nitrogen cycle things like forest burning and fossil fuel combustion can result in the increased deposition of nitrogen from atmospheric sources
This is called the prophase which is the second stage of mitosis.
Answer:
Oxygen is one and i can't think of others
Explanation: