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With distance downstream, the river gains more energy and a higher volume of water (as shown in Bradshaw's Model). Because the channel has increased in size, there is less friction. As the river erodes later...

At destructive plate margins, oceanic crust subducts beneath continental crust. In this zone of subduction a lot of friction is created as the plates move alongside each other. Over time, the build up of fri...

Fairtrade goods ensure farmers receive a guaranteed price for their produce, this means that they have an increased income that is then spent in the local area, thus creating an economic multiplier. Moreover...

Salts and minerals are dissolved into the river water and thus travel in solution. Insoluble materal such as clay floats giving the river water a darker murky appearance as it travels in suspension. larger r...

Oxbow lakes are created where meanders are found on a river's long profile. On a meander bend, the fastest flow of water occurs on the outside bend, causing erosion, whilst the slowest flow is on the inside ...