REEF

• A ridge of jagged rock, coral, or sand just above or below the surface of the sea.
• The Great Barrier Reef, located on the northeast of Australia.

ISLAND

• A land mass surround by water.
• One if the Hawaii islands

PLATEAU

• Plateau is an area of relatively level high ground.
• Tibetan Plateau.

RIVER

• A river is a large natural stream of water.
• The amazon river is located in South America.

LAKE

• A larger body of water surround by land.
• This is lake shawnee located in Topeka Kansas.

MOUNTAIN

• A natural elevation if earths crust rising.
• This is Mount Everest it's the tallest mountain in the world.

STRAIT

• narrow passage of water connecting two seas or two large areas of water.

PENINSULA

• a piece of land almost surrounded by water or projecting out into a body of water.

ISTHMUS

• a narrow strip of land with sea on either side, forming a link between two larger areas of land.
• This panama

Archipelago

• It's a group of islands
• The Hawaii islands are a group of islands.

CANYON

• A deep gorge
• The Grand Canyon

GULF

• a deep inlet of the sea almost surrounded by land, with a narrow mouth.
• Gulf of Mexico

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