What three categories of energy expenditure make up the total energy expenditure? Define each briefly. For the average person, how much does each contribute to the overall required?

littering streams           is the answer

i think that d. wind is the answer.   i missed the question when i answered a. currents.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.