Geography [2 Mark Question Answer]

When the crude oil gets leaked into the sea while being transported from one country to another because of an accident and hurricanes it is called oil – spill. The aquatic life gets poisoned as oxygen can’t reach them and leads to their death affecting the life cycle.

The river passes through three courses from its source to mouth – upper, middle, and lower. The upper course generally lies in mountains where land is steep and the river flows very fast. At the middle course, the river speed decreases as plains have gentle slope. The flow of the river is nearly halted at its mouth (where it meets the sea or ocean).

The five Great Lakes of the USA — Superior, Huron, Michigan, Ontario, and Erie—are a group of five huge freshwater lakes located between the United States and Canada. They comprise the largest body of freshwater on earth.

A gulf is an inlet of the sea of large areal proportions while a bay is an open, curving indentation made by the sea or a lake into a coastline. Gulfs are more indented than bays and also more enclosed.