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What is radioactive isotope of hydrogen?
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According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.
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Chemistry, 23.06.2019 09:00, alyssa0888
Water is a highly important natural resource. which of these would be the best method to conserve water? a) drinking bottled water b) monitoring the ph of rivers c) treating and re-using wastewater d) testing nitrate levels in groundwater
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Chemistry, 23.06.2019 09:40, 23rwilliamson
Is cutting your nails a physical or chemical change
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What is radioactive isotope of hydrogen?...
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