Select the safe methods to determine if a hot plate is heating. Select one or more: a. Place the back of your hand a few inches above the surface. b. Observe the heating indicator light (if available). c. Pour some cold water on the surface and see if you observe steam. d. Place the palm of your hand on the surface.
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In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification
Answers: 2
Select the safe methods to determine if a hot plate is heating. Select one or more: a. Place the bac...
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