Answer:
You can research from trustful websites, like government websites, Wikipedia, or any websites.
Or you can watch videos and learn about water.
Answer:
I am not sure there is a question here, but after reading the info it looks like C would be the best answer.
Explanation:
The paragraph seems to urge you to continue to research why you personally cannot sleep. (the reader)
If this is MLA format, in-text citations only require the author and the page number. if no author exists, then you provide the title and the page number. if there is no author and no page number, you simply give the title.
assuming the author is starks, the page is 97, and the title is "animals"--you only have to put (Starks 97) in parentheses. the author and the page is enough information for someone to access your source.