The Wood Frog can freeze and its heart completely stop. When spring warms up and thaws the frog, its heart will begin beating again. Under what
environmental conditions did this ability develop?

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

Which measure of an earthquake depends on how close you are to the focus?