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:

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

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World Geography
The three recognized major fishing grounds of the world are located in the

two in the southern hemisphere only and one in the northern hemisphere
northern hemisphere only
southern hemisphere only
one in the southern hemisphere only and two in the northern hemisphere

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