Answer:i hope this helps
A. By providing vaccination education
Explanation:
Communities aid in prevention by providing vaccination education. A lot of people don't take vaccines because they believe won't be affected ...or A. By providing vaccination education
Okay, here's what might help:
1. Avoid crises.
2. Agree that change is a part of living.
3. Move toward your goals.
4. Keep everything postive.
Answer:
No; the study is based on a volunteer sample, which may be very different from a randomly selected one.
Explanation
Her plan cannot be effective because she could base her own judgenent on samples that was randomly selected for consideration.