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Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?
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Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box
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The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.
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Public health officials predict how much antibiotic usage is wither unnecessary or inappropriate?...
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