Liquid 1 and 4, because they have the same melting point and density.
An enzyme. An enzyme is a protein speed up a biochemical reaction. It’s a catalyst.
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The Mother and Father each give half of the chromosomes to the offspring, which will decide traits and inheritance.
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Answer:
When a phenotype produced by certain alleles helps organisms survive and reproduce better than their peers, natural selection can increase the frequency of the helpful alleles from one generation to the next – that is, it can cause microevolution.
Explanation:
