In Greece, the land was very rocky, but there were many areas of water surrounding it. The land was not very fertile, but they harvested a lot of grapes and olives. Greece is a peninsula, and they also had a lot of ships coming in to trade.
Bartolemeu Dias a nobleman of the Portugese household and a famous explorer. In 1488 he sailed a ship around the southern tip of Africa becoming the first European ever to do so.
Saturation. The dimension of color space that captures the purity and vividness of color sensations. hope this helps!