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3
|
A concrete or steel tank underground.
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5
|
Pollution from a certain place
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6
|
The oxygen molecules that are part of the hydrogen and oxygen mix to create water.
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7
|
Water returned to it`s natural enviroment but heated.
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8
|
Areas of land with shallow spots of water most or all of the year.
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9
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A measuremnt of substances in the water other than water molecules.
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11
|
When water droplets get heavy and gravity causes them to fall.
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12
|
Brood flat vally that has a river or stream run through.
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13
|
How cloudy the water is.
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14
|
When water seeps in the soil.
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15
|
The conbination of magnesium and calcium
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