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3
|
a wall built across a river that stops the river's flow and collects the water, especially to make a reservoir that provides water for an area.
|
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4
|
the solid surface of the earth that lies under the ocean.
|
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8
|
the direction in which water is moving.
|
|
9
|
an area of sand or small stones near the sea or another area of water such as a lake.
|
|
10
|
the inside part of something.
|
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11
|
a large mass of ice that moves slowly.
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14
|
the salty water that covers a large part of the surface of the earth, or a large area of salty water, smaller than an ocean, that is partly or completely surrounded by land.
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|
16
|
a low mountain or low hill at the bottom of a larger mountain or range of mountains.
|
|
17
|
a very large mass of ice that floats in the sea.
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19
|
a large area of land covered with trees and plants, usually larger than a wood, or the trees and plants themselves.
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|
|
|
|
|
|
1
|
the particular shape of the coast, especially as seen from above, from the sea, or on a map.
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|
2
|
a large hole in the side of a hill, cliff, or mountain, or one that is underground.
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4
|
the land along the edge of the sea.
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5
|
a movement of water, air, or electricity in a particular direction.
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|
6
|
a part of the coast where the land curves in so that the sea is surrounded by land on three sides.
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|
7
|
a small area of the sea or other water in which there is a powerful, circular current of water that can pull objects down into its centre.
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12
|
a large area of water surrounded by land and not connected to the sea except by rivers or streams.
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|
13
|
a high area of rock with a very steep side, often on a coast.
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|
15
|
very different from each other.
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|
18
|
an area of water smaller than a lake, often artificially made.
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20
|
the rise and fall of the sea that happens twice every day.
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