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 main difference is that the active one is strong than the passive one
<span>b. to ensure the cod stocks were exploited domestically</span>
Explanation:
can you please rearrange the question?