Which involves a chemical change?
filtering sand from water
distilling pure water from...
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Which of the following would not be taken into consideration when describing the quality of a sound
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What is a subatomic particle with a negative charge and very little mass?
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Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.
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Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above
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