Answer:
what? wdym by "sentence a an"
Explanation:
If I am understanding the question correctly, the constant or control is what stays consistent throughout the experiment.
I believe its D if your talking about his Innauguration Adress but of the time presidents talk about what they can fix and how to fix it
<span>c. My neighbor, who has lived with his uncle who is HIV positive for many years, can attest to the fact that casual contact with individuals who are infected poses no threat.
This would be the worst choice of the four. Even though the source is someone who is HIV positive, the information he is providing is secondary. He is not privy to the health of everyone he has been in contact with. He does not actually know if he has spread HIV to others unless they have chosen to share that information with him. He could be a reliable source for other information, but not this.
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