Question

When two atoms of different elements come in contact, heat is given off and light is produced. Which of the following does this support?

Answer 1

the law of the conservation of energy

Step-by-step explanation:

Answer 2

It's the law of the conservation of energy, I'm 100% sure it is

Step-by-step explanation:

I took this awhile ago, and I remember getting this question right, so I hope I helped ;3