An electron microscope is used for seeing very small objects by making them appear bigger, and electron microscopes allow scientists to magnify objects hundreds of thousands of times. Given these facts, electron microscopes are used for seeing very small things and doing what among the following options:
- making them small
 - observe it
 - duplicate itself
 - making them tiny
 - making them invisible
 - rays or beams
 - magnifying them
 - major threat to health


 

       magnifying them  