Manuel's teacher asked the class to make a wet mount slide of their cheek cells. manuel made his slide and placed it on the microscope stage. then he got ready to view his cheek cells by following these procedures. 1. looking through the eyepiece, manuel adjusted the diaphragm so field of vision was lit. 2. manuel looked at the stage from the side and lowered the body tube so the high power objective was almost touching the slide. 3. looking into the eyepiece, he very slowly turned the coarse adjustment to bring the cells into focus. what suggestion would you make to manuel to correctly use the microscope to view his cheek cells? a) close the diaphragm b) start with the low power objective c) do not look at the stage when lowering the body tube d) start with the body tube raised and lower it while looking through the eye piece