Dr.Tse wants to use the scientific method to test whether vitamin C consumption improves resistance to stress.What is the first thing that she should do?
A) Observe people in stressful situations who have and who have not consumed vitamin C.
B) Develop hypotheses about vitamin C consumption and resistance to stress.
C) Randomly give half of the participants vitamin C and the other half a placebo and then test their resistance to stress.
D) Build a theory about vitamin C's effect on the stress response.

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The Answer of Dr.Tse wants to use the scientific method to test whether vitamin C consumption improves resistance to stress.What is the first thing that she should do?
A) Observe people in stressful situations who have and who have not consumed vitamin C.
B) Develop hypotheses about vitamin C consumption and resistance to stress.
C) Randomly give half of the participants vitamin C and the other half a placebo and then test their resistance to stress.
D) Build a theory about vitamin C's effect on the stress response.

DrTse Wants to Use the Scientific Method to Test Whether