Which gas forms 21% of earths atmosphere

According to the united nations refugee agency, more than 2/3 of the world's refugees come from just five countries. which country is not on that list? a) turkey b) myanmar c) afghanistan d) south sudan

The rwandan patriotic front and the interahamwe were a. relief agencies b. military groups c. political parties d. nonprofit organizations select the best answer from the choices provided. a b c d

Plz answer ! find the alps. what countries and country borders intersect this major mountain range? which borders seem to be defined by the edges of the mountains? which borders seem to be defined by the edges of the mountains? which borders cut across the mountains?