Fossil fuels are the compressed remains of ancient organisms like plants or dinosaurs. they cannot be recycled. once they are used, they are gone. which of these is a fossil fuel?
a. corn
b. coal
c. timber
d. sunshine

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.

Can an organism fill more than one trophic level?

What vitamin gives carrots and sweet potatoes their orange color?