Please fully explain the answer

What are two ways in which waves erode the land?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

What do all macromolecules have in common with each other? oa. they all are formed from the same elements. ob. they all have major roles in cell membranesoc. they all act as catalysts in the body. od. they all have peptide bonds between carbon atoms.