Question

Which of the following is a source of chemical energy commonly used by humans? A. water flowing in a river B. a bicycle C. a sandwich D. turning on a lightswitch

Answer 1

C. a sandwich

Step-by-step explanation:

When a person eats a sandwich, chemical energy from the food is stored in the person's body. Chemical energy is a form of potential energy.

Answer 2

Option C sandwich is the correct option