Which part of Europe is the region's main focus of intensive agriculture, large cities, and major industrial activities

On this graph, the bottom horizontal line represents an ineffective price floor set above equilibrium. an effective price floor set below equilibrium. an ineffective price ceiling set above equilibrium. an effective price ceiling set below equilibrium.

You are a scientist who has been sent on a special mission to study plants and animals in south asia! your destination is an important forest in eastern india. you need to travel to 17°n latitude and 83°e longitude. which star should you travel to?

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?