valley - Low land between the hills or mountains, glacier - A huge sheet of ice that moves slowly across the land, geography - the study of the earth and the way people, plants, and animals use it, source - the beginning of a stream of water, landform - natural features that make up the Earth's surface, bay - a part of an ocean or lake that cuts deeply into the land, coast - the land next to an ocean, island - land completely surrounded by water, tributary - any river that flows into another larger river, mouth - the place where a stream or river empties into a large body of water, harbor - a sheltered place along a coast where boats can dock,

Landforms

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