Aperson who takes in more calories than they burn will
a. lose weight.
b. gain weight.
c. maintain weight.

Active immunity refers to: a. the defenses people are born with. b. temporary immunity granted from another source. c. immunity gained through immunization and exposure to diseases. d. natural immunities that protect humans from other animal diseases

Explain why many people are concerned about uv rays? explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

Bulimia nervosa cannot be prevented, but it can be treated if diagnosed early. true or false?