Identify the fuel that could be classified as a nonrenewable or renewable resource.
a) biomass
b) geothermal
c) wind
d) tidal

Which of the following are energy solutions that release pollution into the air>

Although the two theories differ on the evolutionary path of dinosaurs, they agree that

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation: