Question

Which topic or issue would be most appropriate for a four- to five-page research paper?

Answer 1

Answer:

B

Explanation:

Answer 2

The most suitable topic would be Medical testing for animals
An appropriate topic for 4-5 page research paper should specific,  be at least measurable in some ways and had a lot of open sources.
Animal rights and activism is too broad of a subject and When john Muir started the sierra club is too specific and will be hard to find a lead for.