World Geography
The most recent and logical concept regarding the origin of ocean basins and continents is that of

plate tectesic
continental data
conventional current
cooling process

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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
Both 1 & 2
Neither 1 & 2
Only 2

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