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The force of water in a river, and more specifically, in a waterfall, has the ability to carve and erode the banks of the river. This is known as hydraulic action. As water falls over a waterfall, it has a l...

Water insecurity is defined as the lack of a reliable source of water, of appropriate quality and quantity to meet the needs of the local human population and environment. It is often caused by water scarcit...

The formation of a waterfall begins when geological differences occur in the rock over which a river flows. The most common set up is a layer of more resistant 'cap rock' lying on top of a larger layer of le...

The term 'shrinking' planet is another way of referring to the process of globalisation, or the deepening and strengthening of ties across transnational borders. This manifests itself in two main ways - good...

The soil found in hot desserts is called aridisol. In short the soil found in desserts are pooor in organic matter and rich in salts. On of the main climatic factors affecting soil is the lack of rainfall. L...