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1) Explain some of the physical features that are formed in the upper courses of the river?(250 words)

Topic– Salient features of world’s physical geography.

1) Explain some of the physical features that are formed in the upper courses of the river?(250 words)

GC Leong – Ch5

Key demand of the question

The question expects us to name and explain the physical features as a result of erosion in upper reaches of the river.

Structure of the answer

Introduction – Explain that the course of the river can be divided into three main stages and in the upper stages the physical features formed are a result of the erosional action of the rivers.

Body

  • Explain the phenomena of river capture and the associated physical features such as wind gap, pirating stream, pirated stream etc.
  • Explain how rapids, cataracts and waterfalls are formed
  • Also explain how duns are formed. Draw diagrams to explain more clearly

Conclusion – Highlight that these features are formed as a result of high pace of river in the upper courses.