Answer:
an electromagnet is a metal which has the ability to turn into a magnet on passing electricity through it .
But once the electric flow is withdrawn the circuit breaks and it no more behaves like a magnet.
but this is not so in permanent magnets
Explanation:
thus electromagnet is used in magnetic cranes bcoz their magnetism can be controlled conveniently.
Answer:
From C to D, kinetic energy is transformed into
gravitational potential energy.
Helowo there, dieing!
You call 911 or let your death becomeith of you
Have fun!
:)
It’s A because energy passes freely through the atmosphere and is absorbed by earths surface.