Encharta is sitting outside,looking at her beautiful garden.As the sun goes down,the colors become less bright and finally all become shades of gray.This change happens because the:

Question

Quizplus · Accepted Answer

The rods in the retina are responsible for vision in low light conditions, such as at dusk when the sun is going down. As the light decreases, the rods become more active and take over from the cones, which are responsible for color vision and vision in bright light. This is why Encharta's garden appears to become shades of gray as the sun goes down.

Encharta Is Sitting Outside,looking at Her Beautiful Garden