Hello! Please answer this question if you know how! Thanks!!

C. Doctors recommend 2-3 hours of exercise a week.

Explanation:

Facts are usually things which have concrete evidence or tend to have some form of data (without opinions most of the times) to support it.

Here A, B, D all have opinionated statements whereas, C lists out a fact well-known in medical and/or nation-wide communities.

What is Text Evidence? Text evidence is any evidence from a fiction or nonfiction text that can be used to support ideas, arguments, opinions, and thoughts. When we cite textual evidence, we paraphrase, quote, or refer to the specific part of the text that we are using to back up or support our thoughts and ideas.

Explanation: hope that helps