Which of the following would be most relevant to a research paper describing the benefits of composting kitchen waste?

Which of the following would be most relevant to a research paper describing the benefits of composting kitchen waste? (5 points)

Question 10 options:

1) Detailed analysis of the nutrients from typical kitchen waste

2) Information on how to construct a productive compositor system

3) Personal testimony from a family who composts 90 percent of their waste

4) Studies indicating an increase in home production of vegetables