Answer:
Respiration
Explanation:
The act of breathing, simple as that!
Hope this helped!!
Answer:
the discovery will always need to be tested more where if you're investigating you should already be in a more controlled environment
Answer:
Protons are a type of subatomic particle with a positive charge
Neutrons are a type of subatomic particle with no charge (they're neutral).
The answer to this question is: B) 3+
