Chicha is the original Inca drink. Chicha was the most popular drink those Inca days. During festival they drank only Chicha. Chicha was also used in ritual purpose.
Ocean currents and related processes exert relevant impacts on marine life; the most important of which is their enhancement of primary productivity. This is done mainly
A 1943 map of the world's ocean currents. Knowledge of surface ocean currents is essential in reducing costs of shipping, since traveling with them reduces fuel costs. In the wind powered sailing-ship era, knowledge of wind patterns and ocean currents was even more essential.