Which describes one way that Aristarchus's explanation of the movement of objects in the sky was different from other scientists' earlier explanations?

Why are nongovernmental organizations important? check all that applya. they are private institutions that aid the work of government.b. they often fill in gaps between government-funded services. c. they are private institutions that attack government policyd. they citizens by acting as watch dogs over elected officials

#4.) describe the most likely weather conditions at indiana / ohio boarder. also could someone double check my other answers? i'd really appreciate it

Ozone in the upper atmosphere has been depleted by a. sulfur dioxide. b. chlorofluorocarbons. c. carbon dioxide. d. oxygen.