When doing medical research with human subjects, which four limitations are unavoidable?
A. It’s often impossible to repeat trials on the same subjects.
B. Subjects may report an inaccurate medical history.
C. It can be difficult to control all possible variables.
D. It’s impossible to come up with testable scientific questions for human subjects.
E. There are ethical or privacy concerns to consider.
Will give brainliest pls help ( I don't know whether B or D are the incorrect answers).
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In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing:
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When doing medical research with human subjects, which four limitations are unavoidable?
A. It’s of...
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