Define weathering. Explain its chief characteristics and name the types of weathering.
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WEATHERING - DEFINITION
Weathering is the process of breaking down of rocks but not its removal. It is described as disintegration or decomposition of a rock in size by natural agents at or near the surface of the earth.
CHIEF CHARACTERISTICS OF WEATHERING - DEFINITION
Chief characteristics of weathering are:
(1) Weathering involves disintegration or decay of solid rocks.
(2) It depends on climatic elements and on the characteristics of rocks.
(3) Weathering affects the surface of the earth.
(4) Weathering causes formation of soil.
TYPES OF WEATHERING
Weathering is of three types:
(i) Physical or Mechanical weathering
(ii) Chemical weathering
(iii) Biological weathering.
Explanation:
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