Answer is (c). They move from higher concentration to lower one . This is called diffusion.
Answer:
<em>The sun or solar energy is at the start of almost every energy
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chain.</em>
Explanation:
<span>a form of natural selection in which individuals within certain inherited characteristics are more likely than others to obtain mates.</span><span>all the alleles for all the loci in all individuals of a population
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If they can successfully produce fertile offspring, they belong to the same species.
Neutrons because it’s the only one that would make sense