I believe the answer would be "C. You should not use the article as a reference. The lack of corroboration and outdated information outweigh the author's credentials."
I think the answer would be A
Answer:
Write about how you thought ninth grade was a big scary challenge.
Explanation:
Write about how the transition from eighth to ninth was easier than what you were told. Write about what is different and what is the same
Gravity means the force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account.