They found rocks from then and those rocks had the earliest fossils or life on earth.
The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across.
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Hola, espero que estés teniendo un gran año.
it helped bring over different culturally and different type of spice such as pepper, ginger ,nutmeg it was developed by indians and arab merchants. by the suez canal opening it adapted to steam bouts and new communication device...
hopfuly this helps some ^v^
