Question

brown light is made up of the colors red and green. why does a tree trunk look brown?
a. it transmits red and green light.
b. it reflects all colors of light except red and green.
c. it absorbs red and green light.
d. it reflects red and green light.

Explanation:

The color an object appears is due to the colors of light it reflects. Since brown light is a combination of red and green light, a tree trunk looks brown because it reflects red and green light.

Answer:

D. It reflects red and green light.