Warm ocean currents raise the temperature in cold areas while the cold currents decrease the temperature in warm ocean areas.The Labrador current which is a cold current, lowers the temperature near the north-east coast of North America.
Goldilock region is the space which is neither too hot nor too cold and has conditions which are a must for life. So the Goldilock zone is a habitable zone.
Nile is considered the Father of African Rivers. It is Stretching for approximately 6,695 km across 10 different countries, the Nile River is the longest river in the world.