A chain bracelet is found. It looks as though it might be made of either gold or of copper.
When the bracelet is submerged in a graduated cylinder containing water, the volume of
the water rises from 9.2 cm to 11.7 cm". The bracelet has a mass of 45 g. Is the bracelet
made of gold or copper? (Note: The density of gold is 19.3 g/cm' and the density of
copper is 8.92 g/cm.)
Answers: 2
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What noticeable trend from this graph might be used to make a conclusion?
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Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.
Answers: 2
Biology, 22.06.2019 05:40
Why do we perceive objects as retaining their brightness under different lighting levels?
Answers: 1
A chain bracelet is found. It looks as though it might be made of either gold or of copper.
When th...
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