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The combining of hydrogen and oxygen gas into liquid water is an example of what kind of change?
a. phase
b. chemical
c. physical
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Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea
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The combining of hydrogen and oxygen gas into liquid water is an example of what kind of change?
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