Which statement describes a negative consequence of humans’ use of excess water? it allows food to be produced in dry areas. it increases runoff, which carries fertilizers. it enables food to be produced in drought years. it results to water not being recycled.

Whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.