If the earth did not rotate, one half of the earth would be dark and the other side of the Earth would be light. The bright side would be too hot and the other side would be too cold. Also if the Earth did not rotate, then the two poles and the equator would be easily effected.
Both NPN and PNP transistors consist of a base composed of an N-type material.
Explanation:
temperature can cause change of state of a substance and change of state is a physical change. A physical change simply put is a change that isn't permanent...a change that can be reversed. the change of state of a substance is a physical change because addition of heat or a rise in temperature makes a solid melt and the removal of heat turns it back to solid
