The trapping of heat energy by the atmosphere and oceans maintains the earth’s:
a. temperature range
c. climates
b. weather patterns
d. air quality

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Long term exposure to waves can cause sunburns and skin cancer.

Cells are adapted to preform specific functions. which of the following terms refers to this capability?