Which of the following is an example of chemical energy converted into mechanical energy? a. a windmill blades spinning

b. riding a bicycle

c. plugging in a lamp and turning it on

d. building a campfire

B

Explanation:

A is wind energy converted to mechanical energy

B is chemical energy stored in food creating energy for movement.

C electric energy to light energy

D building a campfire is chemical energy from burning wood to light energy.