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The term ‘superpower’ originated in 1943 with a series of lectures about the potential shape of a new post-war world order by Duch-American geostrategist, Nicholas Spykman. Then in 1944, William Fox...

River erosion by four main processes - hydraulic action, abrasion, solution, and attrition - wears away the river bed and banks and breaks down carried material.

Through

Tectonic plates lie below us, but they are always moving. When you are at the boundary of two of them, and they rub against each other in any way, then you can feel the vibrations. The intensity with whic...

There are a number of reasons for this such as:parents want some children to survive, and thus they have more. Parents want to have more children so that in the future they have a higher chance of some mo...

Many low income countries have tropical climates which make them a desirable place for people to travel. They may also have beautiful landscapes and different ecosystems to explore. Countries such as Indo...