On the earth, originally, there was only one huge landmass w

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M: +2.00/-0.50

On the earth, originally, there was only one huge landmass which is known as

U.P.P.C.S. (Mains) 2016

[Earth - Tropics, Volcanoes, Tides, cyclones, Corals ETC.]

Panthalassa

Pangea

Laurasia

Gondwanaland

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