A treaty designed to protect the ozone layer via phasing out the production of multiple substances responsible for the ozone layer depleting.
According to the research, the correct option is A, population genetics is the study of how allele frequencies in a population change over time.
<h3>What is population genetics?</h3>
It studies the origin, amount and distribution of genetic variability present in populations.
It explains the variation between individuals, as well as the dynamics of alleles and genotypes within and between populations.
Therefore, we can conclude that according to the research, the correct option is A, population genetics is the study of how allele frequencies in a population change over time.
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The answer is variation, because the same species can vary in color and sizes
Mount Fuji which is Japans tallest and most famous mountain, is an active volcano in The Ring of Fire. Mount Fuji sits on a "Triple Junction" which is where three tectonic plates interact.