Alexander applies sunscreen to help provide protection from ultraviolet radiation. With what does the atmosphere provide protection for Earth? A. Thick layers of ice clouds.

B. Ozone in the upper atmosphere

C. Water vapor in the lower atmosphere

D. The reflective surface of the ocean

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d