1. Which adjustment knob should be used to sharpen the image after the specimen has already been focused?, Coarse adjustment knob, Fine adjustment knob, Revolving nosepiece, Stage clips, Which objective lens should always be used first when locating a specimen?, High-power objective (40×), Oil immersion objective (100×), Low-power objective (10×), Medium-power objective (20×), Why should a microscope be carried with two hands?, To make it look more professional., To prevent it from falling and getting damaged., To avoid touching the adjustment knobs., To make it easier to use the eyepiece., Which part of the microscope controls the amount of light passing through the specimen?, Eyepiece, Diaphragm, Objective lens, Arm

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