Answer: ACID
Explanation:on the Ph scale their is acids and bass' the loewer the Ph is hte higher the acid will be
Answer:
There are more mutations in them because in viruses they allow them to evolve to survive drugs and evolve more rapidly.
Explanation:
Answer:
The answer is A!
Explanation:
Because liquids and gases move, soilds will stay in place unless you move it.
4. Petroleum.
Hope this helps!