Why is it important to have multiple layers of skin

Your friend goes on an all-mango diet for one month to investigate whether she can make her skin turn orange. which of the following will be most deficient in this diet? a. minerals b. dietary fiber c. amino acids d. vitamins

What behavior of an expectant mother is unhealthy for the fetus

Where does peer pressure come from? a. the power of culture b. the influences of others c. people who purposely try harm you d. the messages in tv commercials