I think it is D. The National Institutes of Health found it effective in reducing pain and other symptoms, but it is not clear how it works.
Answer:
carry information from one generation to another
Vinegar is a base could be a false statement about vinegar as vinegar has a PH of 2.4 and is highly acidic.
Answer:
The sun, earth, and moon are held together by gravity, and they interact in lots of ways. The moon orbits the earth because of the pull of the earth. And the earth orbits the sun because of the pull of the sun. Because of the way they move relative to each other, we see phases and eclipses