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A number of river characteristics change as you travel downstream. Firstly, sediment size decreases due to erosion, which causes sediment to get finer and smoother. This happens due to hydraulic action, a...
Yields is the amount of food produced off a given area of land. Methods of yield increase include increased use of fertilisers, pesticides, irrigation and adoption of high-yielding varieties. A popular me...
A diagram would be very useful for this answer. At the poles, the Sun's angle in the sky decreases, so the same amount of solar radiation is spread over a greater surface area. At tropical latitudes howev...
The Spanish island of Mallorca situated off the East coast of Spain has experienced a rapid growth in tourism. Tourist numbers have rapidly increased from 400,000 visitors per year in the 1960s to 11 mill...
Firstly, the aftermath of an earthquake can create an environment where disease spreads due to the close proximity of those gathered after losing homes (creates densely populated communities, especially i...
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