What is the primary mountain range in South America? Andes
Appalachian
Himalayans
Sierras

What conclusión can be drawn about the middle east

Which area on the map would be most likely to have the most oil exploration in since the start of the 21st century? a) b) c) d) plz me

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