The Chinese first began recording astronomical observations about 2,000 years ago.
True
False...
Chemistry, 18.02.2021 19:30 brandonkelly104
The Chinese first began recording astronomical observations about 2,000 years ago.
True
False
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Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?
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An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
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Avariable that is not being directly tested during an experiment should be
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A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution
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