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.
c
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All of the following are true EXCEPT:
a. caffeine is a phytochemical. b. the beneficial effects of coffee appear to be related to the caffeine content. c. habitual consumption of coffee appears to decrease the risk of cardiovascular disease. d. too much caffeine causes sleeplessness.
Explain the role of the consumer's diet in contributing to a sustainable food system. What food choices could an eco-conscientious consumer make to conserve environmental resources?
What fraction of the U.S. population lives in poverty?
a. 1/20 b. 1/8 c. 1/4 d. 1/3