Answer:
The answer to your question is: letter D.
Explanation:
Chemical change is when one substance combines with another one to form a new one.
A. change of state this is a physical change, there is not hte formation of a new compound.
B. release of energy this is not a evidence of a chemical change, this option is wrong.
C. temperature change this is not a characteristic of a chemical change, this is not the right answer.
D. formation of a new substance this is the correct answer is the main characteristic of a chemical change.