Which example illustrates a chemical change
shredding paper
smashing a soda can
burning...
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Joan writes four numbers on the board in standard form, and then she writes their scientific notation
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Which statement best explains the relationship between an area is geography and the temperature of its surface water
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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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