Answer:
earths rotation on its axis
Explanation:
Day and night are due to the Earth rotating on its axis, not its orbiting around the sun. The term 'one day' is determined by the time the Earth takes to rotate once on its axis and includes both day time and night time.
Metals conduct electricity because they have free Electrons in them which helps the current to move eaisily
contact force
I have no idea why
48 KJ mol-1
the process of changing one form of energy into another
