Spain's capital Madrid means "place of abundant water".
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Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
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Pure water (H2O) does not conduct electricity on its own.
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A portion of the water you drink has already been drunk by someone else, maybe several times over.
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Sound travels about 4 times faster in water than in air.
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If you get water flowing fast enough, it can cut metal.
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There are about 100,000 bacteria in one litre of drinking water.
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