Answer:
people not wanting to listen to their advice. you can solve that by letting them work their anger out, and then talking to them when they are calm. i
Answer: the answer is actually D not C so yea its D
1. eating healthy foods.
2. getting enough sleep.
3. getting enough exercise
4. managing stress
5. washing your hands consistently.
All of those things helps your immune system by strengthening it or by keeping germs away which intern helps prevent you from getting sick.
I hope this helps. Let know if anything is unclear.
They should be treated with respect because they are old then us and cant do as much things as we can.