Can you plz help me and try to get it right this is for a major grader

the answer to your question is tooth decay.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

cells spend most of their time in interphase

c is the answer to this question. altitude affects the weather because air molecules evaporate.