Acne is caused by
a. a strict diet
b. eating at night
c. hormones
d. dry skin

Which action is an appropiate immediate response to a flood? a. removing wet clothing b.marking flooodwater levels c.avoding crossing flowing water d.walking, no driving, through water

When lifting heavy loads off the ground, the majority of the weight should be lifted by which of the following? a. arms b. legs c. back d. stomach

Which statement best explains the relationship between diet and osteoporosis? a. cholesterol blocks calcium from reaching bone cells. a diet that is high in cholesterol can lead to osteoporosis. b. calcium and phosphorus build strong and flexible bones. a diet that lacks these nutrients can lead to osteoporosis. c. protein and iron build strong and flexible bones. a diet that lacks these nutrients can lead to osteoporosis.