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True or false. a wheel and axle are a rotating lever that move around an effort arm?
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Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.
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Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
True or false. a wheel and axle are a rotating lever that move around an effort arm?...
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