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A city that has very significant economic or financial and/or political influence on an international scale. Key features:Major centre for finance, business, trade. Major centre for culture, media. Major ...

A good way to approach this question would be to break down the concepts involved. Ostpolitik can be broken down into its political, economic and social consequences, and a strong answer should differenti...

Firstly, capillaries are one cell thick and so this makes them very thin. This reduces the diffusion pathway between the capillary and other cells thus allowing efficient diffusion. Secondly, capillaries ...

In 100g of compound, the amount of each element is given by: C: n = 52.2/12 = 4.35 H: n = 9.3/1 = 9.3 N: n = 8.7/14 = 0.621... O: n = 29.8/16 = 1.8625 Dividing through by the smallest amount (0.621) gives...

First complete the square for both x and y. Move all constants to the right hand side. The square root of this is the radius of the circle. The two constants in the completed square bracket show the x and...