A change in allele frequency can be caused by various reasons. Mutations, recombination, gene drift, gene flow, and hybridization are some of the examples. Basically anything that would cause microevolution to happen would change allele frequencies. The Hardy Weinberg equilibrium might be helpful, too.
Answer:the correct answer would be c
Explanation:I just did it
Answer:
d the amount of matter in a closed system is the same at the start of a reaction as at the end of the reaction
Well there would be no tide...