canyon, , A deep valley with very steep sides, often carved from the Earth by a river, hill, , A raised area or mound of land, island, , A piece of land that is surrounded by water, river, , A large, flowing body of water that usually empties into an ocean, lake, , A large body of water surrounded by land on all sides, plain, , Flat land that has only small changes in elevation, mountain, , A very tall and high, natural place on Earth, ocean, , A large body of salt water that surrounds a continent.

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