Biology, asked by Reetinder189, 10 months ago

During the preparation of slide, a drop of glycerine is used so that
(1) material sticks on the slide
(2) bacteria may not attack the material
(3) material may not dry up
(4) visibility of material through the microscope may improve

Answers

Answered by ashachaudhari97

1

Answer:

3 is the correct answer.

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