Question

To observe amoeba and paramecium in a water drop drop was taken on employees flight before the organisms where clearly seen then the screen is that must be

Answer 1

to observe amoeba and paramecium in a water drop drop was taken on employees flight before the organisms where clearly seen then the screen is that must be cleaned before use

Answer 2

Hey ...! Answer :- The screen must be cleaned before use. Hope this helps ^_^