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What is a change of a substance from one form to another without changing its composition called? atomic change chemical change molecular change physical change
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World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s
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Why reason best illustrates why hershey and chase chose to use viruses in their experiment?
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Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down
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What is a change of a substance from one form to another without changing its composition called?...
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