Answer:
You're strong.
Explanation:
I've been thinking of this for quite a while, and I realized that your body has a certain limit to how much pain it can take. So, punching yourself extremely hard will cause pain, because that's your body's reaction to immense pressure being put on it. But, the fact that you punched yourself so hard that it hurts, shows that you are capable of applying so much pressure; therefore, you are strong.
B is the correct answer since acid corrode on metals such as carbon, steel, zinc and such.
A nucleus controls all the other parts of the cell
Answer:
Explanation:
it take oxygen in the atmosphere to burn it... in space there isn't any air :0