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Is a mixture of toys a substance or homogeneous and heterogeneous mixture
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What type of electromagnetic radiation has a shorter wavelength than blue light
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An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
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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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Is a mixture of toys a substance or homogeneous and heterogeneous mixture...
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