Small magnets are rotated to "null out" local magnet fields so the compass will accurately align to magnetic North.
Nothing.
If you follow a compass going north, you reach close to the North Pole.
the compass aligns with the magnetic field created by the wire
gago.
gago.
It breaks....... How stupid are for asking that
After Mechanical Digeustion it turns into chemical digeustion with your saliva.
You can see an example of mechanical energy when an earthquake happens.
You can internally hemorrhage and die.
the arrow goes to the magnet
its the driving mechanical movemet!
Systems for obtaining food (that is not produced internally by the organism as happens in plants).