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

During the preparation of slide, a drop of glycerine is used so that:(

1.	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
Answer» 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