Answer:
Maritime tropical air masses originate over the warm waters of the tropics and Gulf of Mexico, where heat and moisture are transferred to the overlying air from the waters below. The northward movement of tropical air masses moves warm moist air into the United States, increasing the chances for precipitation.
It should be where the rivers separate through Nigeria
Kolkata (formerly Calcutta) is the capital of India's West Bengal state. So it is located in India.
Hope I can help you :)
EPA is the answer. They keep track of everything.
