Question

Before you switch from using the low power objective to the high power objective, you should…

a.) unplug the lamp from the electric outlet
b.) turn the coarse adjustment to increase the distance between the objective and the stage
c.) close the diaphragm completely
d.) center the specimen in the viewing area

Answer 1

answer :
it’s C
i’m not to sure but i think it’s C

Answer 2

i believe the answer is

D.) center the specimen in the viewing area.