This is considered to be the basis for the formation of life on land-based ecosystems. A. Nitrogen

B. Soil

C. Carbon dioxide

so whats the answer? ?

all fossil fuels are nonrenewable, so think coal, gasoline, things that we will eventually run out of. all fossil fuels are nonrenewable resources, but not all nonrenewable recourses are fossil fuels. these resources are not being renewed as fast as we are using them. i hope this considering there weren't any answer choices.