Need more explanation of question :)
American sign lanuguage is good because it help communicate with others if you have any type of disorder. It also can be bad because if the person is misunderstood you wouldnt be able to fix it, for they will be misunderstood again.
Answer:
The light that bursts from the head of the Ghost of Christmas Past, symbolizing torturous revelation and self-discovery.
Hope this helped ^^
The answer is "down".
"down" is a preposition/
A preposition is a word that describes the subject in a sentence.