Seema knows the mass of a basketball. what other information is needed to find the ball’s potential energy?
the volume and height the ball reaches
the volume and shape of the ball
acceleration due to gravity and the height the ball reaches
acceleration due to gravity and the shape of the ball

Nucleic acid certain protein cell membranes certain carbohydrates

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land