Chemistry, 05.05.2021 20:20, renee9913

When operating a microscope, always put the object into focus using the power lens first. Then, if needed, switch to a power lens and adjust the focus using the fine focus knob. A.
medium; higher
B.
highest; lower
C.
lowest; higher
D.
medium; lower

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When operating a microscope, always put the object into focus using the power lens first. Then, if...