More than percent of adults do not meet the guidelines for both aerobic and muscle strengthening activities found in healthy people 2020.
a. 20
b. 40
c. 60
d. 80

What should you sprinkle on cut fruits to slow the browning process? a.oil b. lemon juice or acids c.salt d.melted butter

How harmful is it to smoke a pack of cigarettes a week?

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition select the best answer from the choices provided