Which of the following best explains why deforestation increases the risk of floods in an area? a. tree leaves catch and retain rain water. b. trees block the free flow of water. c. deforestation increases precipitation. d. tree roots improve soil water retention. select the best answer from the choices provided

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.