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WEEK 3
TOPIC: Lowlands
CONTENT:
Sub-Topic 1: Types of Lowlands- Mode of formation and characteristics.
Meaning of lowland
Lowland are the areas that are below 300m above the sea level. There are three types of lowland, they are: Valleys, Coastal and Plains
Valleys: A valley is a low land between two highlands. A valley that contains water is called a water valley while a valley without water is called a dry valley.
Mode of formation:
Valley may form when the enclosed block in between two faults subsides or the land on the either sides of the parallel faults rises. This type of valley is called rift valley or graben.
CHARACTERISTICS OF VALLEY
Coastal land: Coastal lands are areas that are close to the ocean or sea. It is a zone of land nearest to the sea. There are two types of coast. They are:
Various coastal features of erosion include: Capes and bay, Cliff, Cave, Spits and bars, Beaches, etc.
Characteristics of Coastal Areas
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