Question

weathering has great geomorphic effect on the earth surface. Discuss

Answer 1

Explanation:

Weathering is the mechanical and chemical hammer that breaks down and sculpts the rocks. Erosion transports the fragments away. Working together they create and reveal marvels of nature from tumbling boulders high in the mountains to sandstone arches in the parched desert to polished cliffs braced against violent seas.

Answer 2

Geomorphology involves the analysis of the nature & origin of landform, especially of the weather & erosion processes in the hydrosphere & atmosphere.

Explanation:

Weathering is the modification & breakdown of rock minerals & rock masses in the atmosphere. Weathering occurs in situ, i.e. in the same place without significant rock material movement. Weathering is a critical process on earth. Weathering changes the rocks from hard state to something much weaker and softer. Once a rock has been broken, the rock bits as well as minerals are removed by erosion process. All of the agents of weathering and erosion are  acids, water, salt, plants, animals & changes in temperature

There are different types of weathering processes

1. Physical Weathering: Processes comprising frost wedging & minerals' volume changes resulting in the "mechanical disruption" of rocks, such as granular disintegration, joint block separation, exfoliation, &shattering by temperature/pressure changes  
2. Chemical Weathering: Decaying of rock that form minerals because of  water,  oxygen, temperature, mild acids (solution, hydration, carbonation, oxidation) & hydrogen
3. Biological Weathering: Processes which are caused by the "presence of vegetation", or animals (to a lesser extent), as well as root wedging & the organic acid's production.

Weathering weakens rocks slowly & ultimately produces more stable geological materials (sands, rock fragments, clay, & silts) in the new environment. Besides, weathering produces finer, less dense materials of rocks & weaker, more porus & permeable solid rock masses.

To know more

ist the factors that control the rate of weathering?it is a geography ...

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