Is it A or D?
Can someone help me?

A

Explanation:

Hope this helps!

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

answer; i believe the correct answer is (solid gold);