THE AREA OF SEDIMENTS FORMED AT THE MOUTH OF A RIVER

MAN MADE CHANNEL OF WATER JOINING LAKES OR RIVERS

SHALLOW WATER SEPERATED FROM THE OCEAN FROM REEFS

DESERT MADE FERTILE BY WATER

PARTIALLY SUBMERGED DEPOSIT OF SAND OR SEDIMENT

OCEAN REEF MADE UP OF CORAL

LAND COMPLETELY SURROUNDED BY WATER

A PASSAGE THROUGH A HILLY REGION

A NARROW HOLLOW BETWEEN TWO HIGHER REGIONS

SMALL AREA OF SEA PARTLY ENCLOSED BY LAND

OPENINGS IN EARTH WHERE UNDERGROUND WATER FLOWS

SMALL OFFSHORE ISLAND BUILT FROM CORAL AND SAND

LARGE DRAMATIC WATERFALL

TREELESS PLAIN BORDERING ARCTIC OCEAN

LARGE INLET OF OCEAN PARTIALLY SURROUNDED BY LAND

LARGE MASS OF ICE FLOATING AT SEA