What is the reactant(s) of the reaction below?
MgCO3(s) → MgO(s) + CO2(g)
O
A. Magnesium oxide and carbonate
O
B. Magnesium carbonate
O
O
C. Magnesium and carbon dioxide
D. Magnesium oxide

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Ineed to find the answer of this question because i dont understand it

When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction