Hydrogen and oxygen cells combine explosively combine.-answers.com
I found this online. on answers.com so I do not own credit.
Answer:
im pretty sure its d. competition
Explanation:
Guessing you mean "impulse".
It means to have a sudden strong desire to do something or a small amount of energy that moves from one area to another.
Hope this helps.
Answer: The answer is, use of fertilizers (manure) in farming this is on study island
Explanation: