Which part of the eye holds eye color?

When you turn on a battery-operated device, an electrical circuit is

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.