Which of these statements best describes how Nigeria and South Africa are alike? A. Both countries have a history of apartheid.
B. Both countries have an economy based mainly on manufacturing.
C. Both countries have an economy based mainly on agriculture.
D. Both countries lack equal access to education for all children.

Please select the best answer from the choices provided

Doctors recommend that both men and women take an aspirin every day to prevent heart attacks. however, the sample in the research study only contained men. the problem with doctors making this aspirin recommendation reflects a bias.

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 words in the preamble to the constitution reflect the principle of popular sovereignty