There are disagreements today over how the Indo-European language diffused from west and south Asia into Europe. Two naturally opposing theories attempt to explain this diffusion. Explain and compare the Kurgan warrior theory with Renfrew's theory in terms of geographic hearth, methods, and reasons for using the language.

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.