What can the body use to synthesize vitamin D??
A) ?bone
B) ?carotene
C) ?tryptophan
D) ?exposure to sunlight
D
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The amounts of cloud cover, smog, and air pollution can all reduce the amount of vitamin D produced in the skin.
a. true b. false
One of the major components of the We Can! campaign initiated by the National Heart, Lung, and Blood Institute is to increase physical activity and decrease screen time
a. True b. False Indicate whether the statement is true or false
Many processed foods benefit from pectin's ability to
a. improve texture of frozen foods by controlling ice crystal size. b. prevent loss of syrup during thawing of frozen foods. c. evenly distribute added substances that would normally sink to the bottom. d. increase viscosity of liquids. e. all of the above answers are correct f. none of the above answers is correct
The phase of life in which the least growth and development occur is:
a. infancy. b. childhood. c. adolescence. d. adulthood.