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Erosion, weathering, transportation and deposition.

There are four main types of river erosion. You can have hydraulic action, attrition, abrasion and solution. 

Hydraulic action is the power that the water has to simply break away bits of the river...

The primary effects of volcanic eruptions and earthquakes, those effects that occur as a direct result of the event, vary significantly due to the differing nature of the hazard involved and the differing...

Usually the action of water such as an estuary entering the ocean at a coastline provides conditions for erosion and constant flow which means sediment is washed away and transported in the sea and can no...

Separatism is usually a feeling of isolation associated with a certaing roup of people or the region that they live it. Feelings of separatism can arise because the region feels economically depressed by ...