Answer:
lens further away from the slide
Explanation:
Here is the complete question
Microscope specimens have depth, as well as length and width. If you are focused on the middle layer of cells and wish to see the top layer of cells clearly, you should move the ________.
A)lens closer to the slide
B) lens further away from the slide
C)slide to the left or right
D)slide towards or away from you
lens further away from the slide