today, groundwater is more contaminated that it used to be
we cannot rely on nature and man itself to fully purify its waters
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Beaty, N Affirmative Map for Individual Debate »Beaty, N Affirmative Map for Individual Debate
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Developing the Moon  »Developing the Moon
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Setting up permanent lunar bases operated my human miners »Setting up permanent lunar bases operated my human miners
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Moon water health benefits »Moon water health benefits
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Man itself cannot fully purify all the water on the earth »Man itself cannot fully purify all the water on the earth
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today, groundwater is more contaminated that it used to be
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