I think that the answer is d
Answer:
a model that illustrates the organelles of cells
A punnet square shows you the different possible combinations and trait outcomes of the alleles.
Are you looking for the term for a chemical pollutant?
Answer:
It is often assumed that the moon is a perfect sphere, which it is not. The side of the moon facing earth is more dense than the side facing away. Therefore, it takes energy for the moon to rotate its earth-facing side away from the earth. Such energy is not currently available, so the same side always faces earth, caught in earth’s gravity.
Explanation:
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