Which of the Following Observations Is an Example of a Positive

Multiple Choice

Which of the following observations is an example of a positive correlation?

A) When older adults increase their daily intake of vitamin D,the percentage of the adults that develops infections decreases.
B) When teenagers decrease their usual intake of sugar-sweetened beverages,their body fat level declines.
C) When a population consumes fewer fruits and vegetables,the percentage of people in that population with scurvy increases.
D) When teenage girls decrease their intake of iron-rich foods,the percentage of the girls who have iron-deficiency increases.