What is the benefit of diversity in a gene pool? increased chance of migration.
increased chance of equilibrium.
increased chance of extinction.
increased chance of survival.

Increased Chances of Survival

Explanation:

Genetic diversity we could say as Variation in a gene pool and it serves as a way for populations to adapt to changing environments, So if there is any environmental change, With more variation it more likely that some individuals will have variation of allele in them that suits the change so they will have brighter chances of surviving.  

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.