Question

The equation below shows the process of photosynthesis.

Carbon dioxide + Water → ? + Oxygen

What forms of energy are entering and exiting this process?
A.
Chemical energy is entering, and light energy is exiting.

B.
Wind energy is entering, and light energy is exiting.

C.
Light energy is entering, and chemical energy is exiting.

D.
Thermal energy is entering, and electrical energy is exiting.

Answer 1

C.

Photosynthesis uses light energy (from the sun) to convert carbon dioxide and water into glucose (which stores chemical energy) and oxygen. Thus light energy enters and chemical energy exits (stored in the sugar).