Answer:
Tbh they come from the Male sperm and the Female egg. Once the sperm fertilizes the egg then you have a baby! That's the short and simplified answer
Explanation:
<span>An element is a pure substance that cannot be broken down into anything simpler by physical or chemical means.</span>
<span>Photosynthesis stops due to a lack of carbon dioxide.
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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
