Answer:
theory
If it has been tested enough, then it can be considered a scientific theory.
Answer:
its either B or C all i got hope that helps
Explanation:
POH+pH=14
pH=14-pOH=14-3.53=10.47
pH=-log[H⁺]
[H⁺]=10^(-pH)
[H⁺]=10^(-10.47)=3.4*10(^-11)
Actually, I strongly believe it is a switch.
Answer:
a chemical change is usually an irreversible chemical reaction. an example of this is rusting.
a physical change is usually visible while a chemical change isn't. also, a chemical change is irreversible while a physical change is.
Explanation: