WILL GIVE BRAINLIEST!! Which of the following is correct?

a. North Africa relies on tourism.

b. North Africa has struggled with civil war.

c. North Africa is facing desertification.

d. All of the above

How did the romanov dynasty increase russia's power? need many details, you!

Which of the following was a result of the political debates over the whiskey rebellion?

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.