16 Drag the items on the right into the middle to match with the items on the left. The low ground between hills or ridges: A piece of land surrounded by water: The dividing line between 2 river systems: A deep, narrow valley: eg. Everest A river of ice: Where a river widens as it nears the sea: The flat area bordering a river: A large land mass made up of several countries: A small river which runs into a larger one: A large area of silt and sand at the mouth of a river: Strip of land projecting into a sea or lake: A large area of water. eg. Atlantic, Pacific: Where a river or stream begins: Large area of water, not as big as an ocean: Where two rivers or streams meet: valley island watershed gorge mountain glacier estuary flood plain continent tributary delta peninsula ocean source sea confluence 1 0