What is one of the most important roles of the rainforest? a. moderate destructive drought and rain cycles in local areas b. provide shelter and shade for the local inhabitants c. provide a source of income for the indigenous people d. protect the local area from global warming

doctrine that the us had the right to expand throughout north america.

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.