Answer:
Chemical Change
Explanation:
Physical change normally mean that the change can revert back to its orginal state, which in this case that is not possible therfore it is a chemical change.
Water is your answer!!!!!!!!!
True when the boron control rods are lowered it slows the reaction
10 seconds = 8grams
then just divide by 2 another 4 times...
= 0.5grams after 50 seconds
