Preguntas sobre el mundo natural.
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Chemistry, 09.03.2021 20:00, oliviastokes
Preguntas sobre el mundo natural.
Plantear una hipĆ³tesis o posible respuesta a esa pregunta.
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Chemistry, 22.06.2019 00:10, goodygoodgirlygirl
Which of the following best describes the formation of plasma?
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Chemistry, 22.06.2019 19:20, Lovelybunny321
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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