Help!! I need it right now :(

Anton created a chart listing different types of materials. which best complete the chart?

Cells are adapted to preform specific functions. which of the following terms refers to this capability?

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons