What is the benefit of using a large sample size in an experiment?
a. Chance variation is ruled out
b. There will be no placebo effect
c. The experiment will be double-blind
d. The control group will be similar to the experimental group
a
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Water and _____ are reabsorbed in the large intestine
a. vitamins b. proteins c. electrolytes d. lipids
Specific Activity Guidelines published by the U.S. Department of Health and Human Services state that children and adolescents (ages 6-17 ) should ____
A) not engage in any vigorous-intensity aerobic exercise B) do 1 hour or more a day of mostly moderate- or vigorous-intensity aerobic physical activity C) do 2 hours or more a day of mostly moderate- or vigorous-intensity aerobic physical activity D) do 2 hours and 30 minutes a week of moderate-intensity or 1 hour and 15 minutes a week of vigorous-intensity aerobic physical activity, or a combination of these
A person's ________ is not a major influence for his or her food selection practices.
A. health status B. mood C. blood type D. place of residence
Christopher's lunch contains 121 grams of carbohydrate, 40 grams of protein, and 25 grams of fat. What percent of kilocalories in this meal come from protein?
a) 18% b) 20% c) 8% d) 25%