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Tectonic hazards are those caused by the movement of tectonic plates on the earth's surface, such as earthquakes and volcanoes. Primary effects occur as a direct result of the movement; for example, groun...

Your introduction should clearly outline the points you will go on to make in the main body of the essay - the idea is to give the marker a good sense of the structure and purpose of your essay. Start wit...

The outside of a bend has faster flow, which means that erosion occurs there. Over time, this means that the neck of the meander, which is the gap between 2 parallel channels in the meander, gets narrower...

An enzyme is a type of protein which we call a biological catalyst. In biology, a catalyst is a chemical which helps speed up reactions without being used up itself. Therefore, if you add 2ml of an enzyme...