Question

read this claim and reason:
claim: people living in european countries are healthier than those living in the united states.
reason: europeans are physically active.
which research question best fits this claim and reason?
a. what are some of the best exercises available?
b. what effect does physical activity have on health?
c. what types of foods do europeans eat?
d. what is the commonly accepted definition of health?

Explanation:

This question directly connects the reason (Europeans' physical activity) to the claim (better health in Europe vs. the U.S.) by exploring the link between physical activity and health outcomes, which is the core of the given claim and reason. The other options are unrelated to the specific connection between physical activity and the comparative health claim.

Answer:

B. What effect does physical activity have on health?