What causes the water to go back into the sea after a wave breaks on to the shore?

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

How will you manage your time to accomplish the necessary tasks both on the job and at home?

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim