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प्रश्न
Which of the following is a pre-condition for chemical weathering to take place?
विकल्प
Water
Air
Both water and air
Neither water nor air
MCQ
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उत्तर
Both water and air
Explanation:
Chemical weathering requires both water and air (gases) as pre-conditions because minerals in rocks change chemically due to reactions with water and gases like oxygen and carbon dioxide in the air. This process is enhanced by the presence of both elements together.
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