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Describe how to prepare 400 ml of a disinfectant solution that requires a 1:8 dilution from a concentrated stock solution.
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The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
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Which change to the system wood cause the freely-moving piston to lower?
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Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a.soft fossils b.mold fossils c.index fossils d.trace fossils
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Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green
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Describe how to prepare 400 ml of a disinfectant solution that requires a 1:8 dilution from a concen...
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