Which of the following statements about environmental factors is not true?
a.
peer pressure is the number one reason why adolescents make bad decisions regarding alcohol.
b.
adolescents are more likely to drink alcohol if they choose friends who don't drink.
c.
the media often portrays drinking alcohol as cool or glamorous, leading some adolescents to drink.
d.
parental disapproval of alcohol causes many adolescents to avoid drinking.

Which plan groups foods according to types and indicates how much of each type should be eaten daily for a healthy diet? a. mypyramid plan b. food guide pyramid plan c. dietary guidelines for americans d. dietary pyramid guidelines

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.

Send sperm live for about 48 hours after ejaculation and ovum for only 24 hours after ovulation intercourse can occur after ovulation for fertilization to occur