Which best describes what happens when a person sees a blue ball? . . . A.. Human eyes reflect blue light back to the ball.. . .
B.. The ball radiates all colors of light except blue to human eyes.. . . C.. Blue light reflected from the ball enters human eyes.. . . D.. The ball absorbs blue light from human eyes.
Photosynthesis can be defined as the process by which green plants manufacture their food. Photosynthesis is important not only to plants themselves but also to animals, which depend on plants for food.
