What is the most common type of synapse in the brain?

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

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

What are some natural processes that represent physical and chemical changes?