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Avaccum cleaners has 120j 45j are used how effucent is the cleaner
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Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains
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Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3
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The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.
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Avaccum cleaners has 120j 45j are used how effucent is the cleaner...
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