Answer:Chemical reactions often involve changes in energy due to the breaking and formation of bonds. Reactions in which energy is released are exothermic reactions, while those that take in heat energy are endothermic. exothermicA description of a chemical reaction that releases heat energy to its surroundings.
The answer is b)h2o is a compund
4- Ag+ions thats the answer i hope its correct
The answer is B a con betrayed solution...
The scientific geographic name is usually a great election