because electrical charge builds up otherwise know as static electricity
Static electricity is what you are experiencing.
The answer is A, static discharge.
The floor was carpeted with wonderful carpets. (carpeted means 'to be covered)
A wooden floor is easier to clean with a mop and it gets stains out faster than a carpeted floor. Carpet has a lot more stains and messes which is harder to clean.
This will vary based on the door. Most often, the doorknob is approximately 36-38 inches above the floor.
Centimeters would do it. A doorknob should be 91 centimeters (3 feet) above the floor.
You push against the floor; the floor pushes against you - in the opposite direction.
yes
no unless you are a lilliputian.
The carpet and pad are insulating you from the concrete floor.
The carpet area is the area of floor which is, or is to be, carpeted.
There is more friction, this ensures your feet do not slide