B, because if you don't have anything to back up the argument then you will not have a steady argument making the "debate" on your side turn into an opinion.
The answer is D
I would look up the word cultivation if I needed the definition, the current usage. I think that when everyone guesses something they always want to know if they are right . So because of all of that D is the answer.
Cultivation:
"The action of cultivating land"
Visual elements could be any sort of illustration or photographs or diagrams. These can all set the tone of the writing.
Answer:
C. The reflection is difficult to see
Answer:
A.
a formal and serious tone
Explanation:
