It is necessary because if you don't have a confirmed opinion with textual evidence to back it up you wont have a good argument.
Suggest. This answer would make the most sense in the sentence
Answer:
B) Dancers differ from chefs in their work environments.
Explanation:
This passage clearly talks about the type of environment these dancers and chefs work in.
I am joyous to assist you anytime.
Answer:
anecdotal evidence in the form of historical examples
Explanation:
The definition of the antecedent of a sentence is that if a word refers to a previous noun or pronoun in the sentence, that pronoun or noun is its antecedent. Let's eliminate some options. Looked is a verb so it cannot be. All around the room is a general space qualifier and thus this is irrelevant too (it does not refer to Samuel's room for example). Now we find the relevant part, "his shoes". The pronoun is his. Hence, we have that the antecedent is Samuel.