Which of the following observations is an example of a positive correlation?
A. When a population consumes fewer fruits and vegetables, the percentage of people in that population with scurvy increases.
B. When teenagers decrease their usual intake of sugar-sweetened beverages, their body fat level declines.
C. When teenage girls decrease their intake of iron-rich foods, the percentage of the girls who have iron-deficiency increases.
D. When older adults increase their daily intake of vitamin D, the percentage of the adults that develops infections decreases.
Answer: B
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The thickness of a liquid is known as its:
A. osmolality B. viscosity C. nutrient density D. osmolarity E. coagulation
Substances contained in food that are necessary for good health are called ________
A) herbs B) nutrients C) preservatives D) by-products
How might supplemental vitamin E adversely affect physically active people?
What will be an ideal response?
Simple carbohydrates differ from complex carbohydrates by virtue of:
a. the type of bonds joining them. b. the number of molecules they are made up of. c. their digestability. d. the type of atoms they are composed of.