Answer: longitudinal
Explanation:
Their vibrations or oscillations are changes in electrical and magnetic fields at right angles to the direction of wave travel.
Answer:
I believe the correct answer is it helps the reader to invest in the main character, Sylvester.
Explanation:
This is because the use of a First-Person point of view shows the inner-thoughts, feelings, and ideas of the narrator (or main character). An objective view of something is void of emotions. It is an unbiased text, therefore choice A is incorrect. Answer choice B is also incorrect because understanding "ever characters' thoughts" is <em>Third-Person</em> omniscient, not First-Person. I believe answer choice D is incorrect because the theme of the story is not dependent upon the point of view in which the story is being told.
♥<em>A.W.E.</em><u><em>S.W.A.N.</em></u>♥
I'd say the correct answer is C. Because a compound sentence consists of at least two independent clauses, therefor A and B cannot be correct, because there is only one independent clause. D is also incorrect, because 'and' is redundant, it is not needed in this sentence. Therefore, you are left with C only.

Lily “smell every perfume bottle they had” (p. 6) because she remembers the scent of her mother, and she wants to find it. 8. Lily picks scabs and feels that she is “impersonating a girl” because the other girls whisper about her.