Genetic variation can<span> be </span>caused<span> by </span>mutation<span> (which </span>can<span> create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).</span>
Answer:
Chemists research and experiment with the properties of chemical substances, improve the quality of established chemical products, measure the effects of chemical compounds in various situations, study inter-chemical reactions, and establish new technologies in the field.
Answer:
22
Explanation:
the thermometer goes by 2
Answer:
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Explanation:
