According to the Physical Activity Guidelines for Americans, how frequently should we include activity into our lives?
1.Seldom
2.2 or more days per week
3.5 or more days per week
4.Every day
4
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Monozygotic twins are _____, while dizygotic twins are _____
a. always the same sex; always different sexes b. the same sex 50% of the time; always the same sex c. always the same sex; the same sex 50% of the time d. always different sexes; always the same sex e. the same sex 50% of the time; always different sexes
A friend informs you that she is planning to purchase a water softener. Which statement is most appropriate for you to make to your friend? a. Hard water makes more bubbles with less soap than soft water and is more desirable. b. Soft water leaves a ring in the tub and a gray residue in the wash, which are undesirable. c. Soft water appears to aggravate hypertension, which is undesirable
d. Soft water has higher concentrations of calcium and magnesium than hard water, which is desirable. e. There is no difference in mineral content of soft and hard waters.
Adequate ___ status decreases absorption of lead.
a. chromium b. iron/Fe c. zinc d. manganese
The purpose of marketing is to ____
a. find a problem, need, or want and to fashion a solution to it b. sell a product or service c. change consumer's actions d. increase distribution