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1) As the river reaches the mouth, it has a large discharge and he river channel is deep and wide. The valley is now wide and flat. T...
1) The average daily temperature in the rainforest is between 25-30oC, whilst the average yearly rainfall is between 1500mm and 300...
1) An ecosystem is an ecological system
2) An ecosystem is a system of plants and animals that live together in a particular env...
1) River pollution can affect people, wildlife and the environment.
2) Loss of oxygen: River creatures and river plants need oxygen to ...
1) In the lower course of the river the gradient is gentler than in the upper course. The river has more energy and the volume amount of water is high.
2...
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