World Geography
The imaginary line on the earth's surface, which closely follows the 180o meridian, is called the

International Date Line
Equator
Prime Meridian
Tropic of Cancer

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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:

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

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