What forms a natural boundary between russia and china

Explain the value of statistics and other data to positive economics and to normative economics

Identify, in detail, three environmental effects of agriculture and explain how the actions of farmers cause them. what is the relationship between poverty and obesity in america and why? what are genetically modified organisms? list two pros and two cons for using genetically modified organisms. y'all this is due !

Pollution from one country can affect another. for example, south korea is especially affected by pollution and dust storms that come from