Which statement best describes what happens when a person sees a blue ball?
a. human eyes reflect blue light back to the ball.
b. the ball absorbs blue light from human eyes.
c. blue light absorbed by the ball is perceived by human eyes.
d. blue light reflected from the ball enters human eyes.

Can smoke be transformed into liquid or used as energy or both?

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Compare and contrast physical changes with chemical changes.