What are the three levels of diversity of pollution?

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

Contrast how pollination is different among gymnosperms and angiosperms.