Which division of time is the second smallest?
A. Eon
B. Era
C. Period
O D. Epoch

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.

Which of the following is not a potential result of deforestation?

What type of pollution does household garbage cause