Who was christopher columbus? where was he from? what were his motivations for exploration? what motivated him to cross the atlantic in search for . . well, what did he seek? and what did he find?

Christopher Columbus was an Italian navigator, he was looking for a shorter route to get to Asia and had the idea of navigate the now called "Atlantic Ocean" to arrive faster in India, instead of it, he arrived to other continent, America, so he discovered America.

Explanation:

In XV and XVI centuries, people believed that the world was only integrated by Europe, Asia and Africa, so the idea of circumnavigate the world from Europe to Asia into the Atlantic Ocean was reliable.

the precambrian aged rocks could be found in australia. australia is a region that has a lot of ancient civilization history from million years ago. in this region, there are a lot of recognizable fossils buried in its land which is considered a precambrian-aged rocks