If a trait varies greatly within a pair of identical twins, it is mostly caused by what?

genetics

environment

nutrition

inherited

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

Because water is a polar molecule it makes an excellent solvent for atoms and compounds found within cell and tissue. water acting as a solvent in organisms, aids in all of the following except

Ican construct an argument based on data about the risk and benefits of renewable and nonrenewable energy sources