An electromagnet is different from a permanent magnet because a electromagnet

a: is magnetic
b: can push and pull
c: can attract some metals
d: can turn on and off

A permanent magnet is permanent while an electromagnetic acts as a magnet when electric current passes through.

It’s a temporary magnet but yes, it can be magnetic

It can be reversed due to which way the current is moving

This means when there isn’t a current it can turn off causing it to turn on and off depending on the current

The answer is D

Hope this helps! :3

hi there!

answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

hope this you!

have a nice day! : )

: d

-charlie

you! : )

: d

the answer to your question is sperm