When an object turns around an internal axis (like the Earth turns around its axis) it is called a rotation. When an object circles an external axis (like the Earth circles the sun) it is called a revolution.
Because static electricity build up in our homes because we have the heaters on which suck moisture out of the air.
When you touch<span> a doorknob (or something else made of metal), which has a positive charge with few electrons.</span>
1. Heat raises the temperature.
2. It increases volume.
3. It changes state.
4. Brings about chemical action.
5. Changes physical properties.
<h3>Hope this helps :)</h3>
