Answer:
There are apps and guides for it on the Internet.
Explanation:
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.
The answer has to be B 202020 rule for eyes buying expensive earphones is gonna make the audio louder and lights has something to do with your eyesight
