Andrew is observing the force needed the change the motion of an object. He follows a procedure and records the mass of the objects. What would verify that the results of the investigation are accurate? A. He can repeat the experiment procedure and get similar results.
B. He can repeat the experiment procedure and get very different results.
C. He can do a different experiment procedure using different objects.
D. He can observe different objects in motion outside on a walk.

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.

Japan’s key exports to africa and southwest asia are mostly a) raw materials. b) human capital. c) manufactured items. d) agricultural products.

Under a tyranny the power to make a political decision is in the hands of a