“Natural law, in philosophy, a system of right or justice held to be common to all humans and derived from nature rather than from the rules of society, or positive law.”
The water cycle — technically known as the hydrological cycle — is the continuous circulation of water within the Earth's hydrosphere, and is driven by solar radiation. This includes the atmosphere, land, surface water and groundwater.
Answer:
1.Atria push blood into the ventricles
2.Venticles push blood out of the heart.
Your answer is D good luck!!
