Read this claim and reason:
claim: not getting enough sleep damages a person's health.
reason: a person becomes less alert and aware when he or she is overly tired. which research question best fits this claim and reason?
a. what happens when someone is not alert and aware?
b. what effects does not getting enough sleep have on alertness?
c. what causes someone to not sleep well?
d. how does the lack of sleep hurt someone's health

D. How does the lack of sleep hurt someone's health?

The reasearch question that best fits the claim and reason is

D. How does the lack of sleep hurt someone's health?

Both the claim and the reason have to do with the damage not sleeping enough can have on a person's health. Therefore, the research question needs to be related to that same topic. Even though the reason is that the person is less alert, focusing on this isn't related to the claim. Also, while it may be helpful to research what causes someone not to sleep well, it doesn't support the claim that not sleeping enought is bad for a person's health.

what are the following?