Question

During energy conversions, some energy is always lost as _____. light , heat , electricity or chemical energy?

Answer 1

Heat, the person above me is correct.

Step-by-step explanation:

I did this lesson already and heat was the correct answer for this question. So, thank you too the person who answered first. I hope everyone seeing this has a great rest of their night! (-;

Answer 2

heat because in a machine heat must come out to follow the law of conservation of energy