Europe ranks as the third largest continent in terms of population. The continent of Europe is surrounded by the Atlantic ocean in the west, Arctic ocean to the north and the Mediterranean sea to the south. The continent of Europe is considered as the second smallest continent in terms of surface area it covers.
No one actually knows, different religions and people around the world believe something different or similar happened after the big bang. some people even question if the big bang happened!
They use a seismograoh that records the times it takes the waves to get to different distances from the earthquake. Thus helping them to map the density of earth interior.
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