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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
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Why are the gases in the troposphere layer denser than the gases in the other layers? give reasons...
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