Question

types of weathering
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Answer 1

Answer:

Weathering is the breakdown of rocks at the Earth's surface, by the action of rainwater, extremes of temperature, and biological activity. It does not involve the removal of rock material. There are three types of weathering, physical, chemical and biological.

❄️ 5 Types of Mechanical Weathering:

1. Plant Activity. The roots of plants are very strong and can grow into the cracks in existing rocks.

2. Animal Activity. Certain animals, such as moles, rabbits and groundhogs, dig holes in the ground that can expose underlying rocks to the effects of weathering.

3. Thermal Expansion.

4.:Frost action.

5. Exfoliaton.

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Answer 2

Answer:

Weathering is the initial step in soil creation. Weathering happens in four different manners: These include chemical weathering, physical weathering, biological weathering, and mechanical weathering. The three major ways weathering happens include chemical, physical, and mechanical weathering which are explained below.

Physical weathering happens when rocks are fragmented into minor fragments while ensuring no alterations in their chemical makeup. The main causes behind physical weathering include spontaneous fluctuations in temperature like too high or too low heat or cold.

Chemical weathering happens when the chemicals get diluted and dissolved in water and seep and percolate down the rock surfaces. Chemical weathering happens in areas having high temperatures and enough supply of water alike tropical environments that are humid. While the chemical weathering happens, the composition of minerals alters due to the reaction of chemicals in water or air. 

Rocks are also fragmented by mechanical force. This procedure is called mechanical weathering. Because of the frequent variations in temperature, rocks begin to contract and expand. This action results in the breakdown of rocks. It is also caused by the roots of plants. They are growing through the cracks in the rocks and cracks the rocks apart.

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