World Geography
The process that may cause physical weathering or mechanical rupture are

None of these
crystallization, carbonation, thermal insolation
abrasion, crystallization, pressure release
abrasion, oxidation, hydrolysis

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World Geography
Which among the following statements is/are correct about Dust particles in the Earth’s atmosphere?Higher concentration of dust particles is found in equatorial and polar regionsThey are generally found in the lower layers of the atmosphereSelect the correct code from the options given below:

Only 1
Only 2
Both 1 & 2
Neither 1 & 2

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