Answer:
It uses the mass and specific heat of water along with a thermometer to measure the gain or loss of energy when a substance is added.
Explanation:
A
............................
c
it is corundum now please follow me
It's B. 6.25
first divide 50/2
then divide 25/2
after that divide 12.5/2
Then you get 6.25
Hope it helps!
