Question

Which is a true statement about research writing?

It is not essential to pay attention to proper grammar when writing research papers.

Research papers can use chronological order as a possible organizational structure.

Research papers take a conversational tone.

The topic sentence states the paper’s main idea.

Answer 1

It is Research papers can use chronological order as a possible organizational structure.

Answer 2

It would be the second, the third one is incorrect, when they say "conversational" they are suggesting an INFORMAL tone, when people are having a conversation they rarely use formal speech.