Athlete's foot is caused by a microscopic fungus that lives on dead tissue of the hair, toenails, and outer skin layers. There are at least four kinds of fungus that can cause athlete's foot.
Work. In order to accomplish work on an object there must be a force exerted on the object and it must move in the direction of the force. Energy is required to do work and the basic SI unit of energy is the joule, the amount of energy required to exert a force of 1 Newton through a distance of 1 meter (1 joule = 1 newton meter).
The first thing you need to do is calculate how much water your body needs at rest. That's working at a desk, puttering around the house, reading and doing all of the other things you do throughout the day. This is your bare minimum water requirement â what your body needs to function.