Answer:
I would say a,b,c
Explanation:
I don't think d would help you that much during a disaster. I hope this helps!
Answer:
-Blood in the heart only flows one-way
-The atria pump oxygen-rich blood to the body
Explanation:
1.
Stress suppresses the immune system, which makes it easier for you to get sick and harder to fight off bugs. "When people are stressed, they get sick
2.Encourage them to take a deep breath, which reduces anxiety—breathing deeply activates the parasympathetic nervous system, which balances out the sympathetic nervous system and works to calm us down. Ask them to take 5 to 10 deep breaths, or try walking them through a breathing exercise.
Well considering the fact you did not mention the characteristics listed protons have a positive charge while neutrons have no charge/neutral