Question

elementary schools should require students to use rolling bags. one piece of evidence is that heavy backpacks can cause neck pain, back issues, shoulder pain, and headaches.
strong source information and a strong reporting verb
weak source information
a weak reporting verb
no source information or reporting verb

Explanation:

The given statement about elementary schools and rolling bags provides evidence about heavy backpacks' effects but does not cite any source (like a study, expert, or organization) or use a reporting verb (e.g., "according to", "research shows"). So it falls under "No Source Information or Reporting Verb".

Answer:

No Source Information or Reporting Verb