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There are four main different processes of erosion in a river: abrasion, attrition, hydraulic action and solution.Abrasion is when large particles (stones and rocks) being transported in the river's load are...

Waterfalls are mainly found in the upper course of a river. They are formed where there are alternating bands of hard and soft rock along the river bed. This is because soft rock erodes around ten times quic...

Some areas remain 'switched off' owing to a fear of cultural erosion or a desire to retain heritage, such as occurs in North Korea; North Korea has banned social media like Facebook and Twitter in an attempt...

Abrasion, attrition, hydraulic action and solution

Globalisation can be described as the increasingly connected and interdependent nature of the earth, its economies, its societies and its political systems. This can happen as a result of increased flows of ...