Answer:
Molecules of oil are bigger than of water and therefore do not mix.
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Explanation:
here is the answer to your question
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a precipitation reaction is a reaction that yields an insoluble product—a precipitate—when two solutions are mixed.
Choice A.
A low birth to death ratio
A low birth to death ratio means that people are dying faster than they are being born. This leads to a decreasing population size.
c
