The number of people who have gray hair is very high among residents living in florida. a student concludes that living in florida causes hair to turn gray. what is the flaw in this student's reasoning?

Why do governments supply public goods and services instead of selling them to those people who use them

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group.no, this does not need to be reported since it is unrelated to participation in the study.no, this does not need to be reported because two weeks have passed.no, this does not need to be reported since the subject recovered.

What impact does geography have on where people live in brazil?