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15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
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One similarity and one difference between an element and a mixture of elements
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Chemistry, 23.06.2019 11:30
How do you calculate the mass of a product when the amounts of more than one reactant are given?
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In the chemical reaction, if 10 moles of H2O are produced BLANK moles of CO2 are also produced
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