Tuberculosis (TB) is a disease that is spread from person to person through the air. TB usually affects the lungs. The germs are put into the air when a person with TB of the lung coughs, sneezes or laughs or sings.
How long does it take for the Earth to spin once? A: Earth makes a complete rotation every 24 hours. The Earth spins at 1,036 miles per hour at the equator while remaining near stationary at the poles. Full Answer >
Originally Answered: What makes the earth rotate? When you spin something, it will keep spinning until somethings stops it, like friction. In the vacuum of space, there is nothing to stop the earth from spinning.