Time it take the earth to orbit the sun once

Which type of landforms forms at the plate boundary as a result of divergent stress

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?

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.