The answer is B. The theory of isostatic equilibrium is used to explain the vertical height of a particular point on the earth such as the Himalayas. This theory is very similar to the principle of buoyancy. The mantle, in this case, is the liquid being displaced by the crust above. To accommodate great pressures such as those exerted by the Himalayas, the mantle distributes the force by height adjustments.
In the early 19th century Manchester was seen as the first industrial city as textile factories were taking over work there in Manchester so it became an industrial city
It would just be just one really big bolder
