Answer:
<h3>The Collective Set of Alleles in a Population Is Its Gene Pool. </h3>
Explanation:
a reaction where particular set of chemicals changes into another form without changing their nuclei just the transfer or sharing of electrons and formation and breaking of bonds is called as chemical reaction.
example- formation of water, photosynthesis etc.
but if there is a change in nuclei than it would be called as nuclear reaction.
like Uranium breakdown etc.
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A) Short course of antiviral drugs and antibiotics