Photosynthesis uses sunlight, water, and carbon dioxide to make which
of the following?
A. glucose
B. nitrogen
C. respiration

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Explain how scientists use geologic time to determine the age of landforms.