The approximate atomic mass of an atom is determined by adding what two subatomic particles? (A) protons and electrons
(B) electrons and neutrons
(C) protons and neutrons
(D) none of the above

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae