What are the two main gases found in earth's atmosphere?
a. nitrogen and argonb. argon and methanec. carbon dioxide and oxygend. oxygen and nitrogen

Political boundaries are determined by the political party in control at the time. true or false

What are three similarities between medc countries and ledc countries?

Which is an accurate description of the physical characteristics of poland? its fertile soil is found only along riverbanks, and its mountainous region in the northwest has few mineral resources. it is mostly flat with fertile soil except in the east and northeast, and the mountainous region in the south has large deposits of coal and copper. it is covered with thick forests, and it has large reserves of coal, petroleum, and natural gas. its landscape is dominated by plateaus, mountains, and high ridges, and it has large deposits of sulfur and copper in the northeast.