B) The atria only recieve blood and the Ventricles have to pump the blood
The answer is copper. Nonrenewable resources are those that cannot be readily/naturally replaced at rates that match those of consumption (an aspect that allow renewable resources to be sustainable). Copper are made deep in earth at very slow rates hence do not readily renew themselves. Organisms, on the other hand die, and are naturally replaced by offspring.
This questions seems like its missing other parts
Atoms are the most basic confirmed building block of life. Everything is made up of atoms. Atoms are made the positively charged protons, neutral charged neutrons, and negatively charged electrons.
