Lower than 7 is acid greater than 7 is a base
I want to say addition. But I have a tendency to be wrong
Yes. it could kill someone because they are designed to take the oxygen out of the atmosphere to put out a fire, You can kill a person by suffixation, You can purchase a unit that gives off a harmless vapor that resembles white smoke though.
Answer:
A is your answer i believe
Explanation:
