The biotic elements of an ecosystem include: a. rocks and other non-living parts of a habitat. b. disturbances, such as forest fires. c. plants, such as trees and flowers. d. All of these choices are correct.

Gettysburg address question. lincoln uses the images of birth and rebirth in this address. why?

Newspaper started by john campbell:

In article v of the united states constitution, the amendment process is explained. why did the framers include provisions for amending the constitution? a) to limit the individual liberties of american citizens b) to allow the constitution to adapt to future circumstances c) to allow the president to change the constitution as needed eliminate d) to ensure that state governments had more power than the nation