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Chemistry, 22.06.2019 05:30
The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland
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Chemistry, 22.06.2019 05:50
Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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Chemistry, 22.06.2019 16:50
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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Mathematics, 20.08.2019 14:00
Mathematics, 20.08.2019 14:00
Mathematics, 20.08.2019 14:00
Mathematics, 20.08.2019 14:00
Geography, 20.08.2019 14:00
History, 20.08.2019 14:00
History, 20.08.2019 14:00
Chemistry, 20.08.2019 14:00
Mathematics, 20.08.2019 14:00