Separation of substances by passage through a membrane is called a. centrifugation
O b. absorption
O c. dialysis
O d. deglutition

Match the limiting factor with the correct definition. 1. learning about the benefits of exercise location/access 2. problem that can be solved by choosing free activities understanding 3. living close to a park motivation 4. how you were raised money 5. how you feel about yourself and your ability to exercise family behaviors