It is also known as a rescue agent
A theory is a hypothesis that someone had but has not proven it.
A law is something that is proved.
Example: Sir Issac Newton had a theory on gravity he sat under a tree and then had a conclusion.
Answer:
1. mica 2. structure 3. ehorizon 4.
Answer: more out of us
Explanation:well we breath 21 % of oxygen so that means their is more out of us