How many points of contact should you maintain with a ladder when moving up or down? a. one b. two c. three d. four

Can someone give me one specific health problem, and explain it. !

Write a journal at least 1 paragraph. in your mind, how do you define psychology right now? when do you think psychology began? what do you think modern psychologists do?

When you have proper posture, your back is arched. a. true b. false