Which of the following procedures should be followed prior to placing a specimen slide on the stage of the microscope?
a. turn the objective lens to the lowest magnification setting.
b. focus the microscope on the light source.
c. close the diaphragm so no light can enter.
d. spit on the eyepiece to make sure that it is clean.
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Which of the following procedures should be followed prior to placing a specimen slide on the stage...
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