To study these small details the electron microscope is used because it can magnify up to 100,000 times.
(To study these small details; is used; because it can magnify up to 100,000 times) (it; can magnify; up to 100,000 times)
To study these small details it
is used can magnify
because it can magnify up to 100,000 times
up to 100,000 times