The answer is b. Food chains are extremely fragile. In many occasions, the health of a species will depend on the survival of the species right under. At the end, we realize that the chain is quite fragile because everyone depends on each other, but not every species are strong enough to survive the change in their environment.
depending on where you live. so if you're in North Carolina it . ( temperature )
53.491 g/mol
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A person who studies radioactive isotopes is known as a nuclear chemist.
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