Select all of the answers that apply.

earth's temperature is maintained at an average of 15°c because of

our atmosphere's thickness
the stagnant atmosphere
the water cycle
greenhouse gases

What rules did the monroe doctrine set for the united states?

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

How did the end of the mexican american war result in growing sectionalism in the united states?