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Why are city streets so vital to the functioning of a city, as well as the people living within it?
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Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).
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Which characteristics can be used to differentiate star systems? check all that apply.
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Why are city streets so vital to the functioning of a city, as well as the people living within it?...
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