Amigrant is
a. a reason to leave a place
b. a person who moves from one place to another
c. a factor that encourages people to move
d. a piece of culture that is spread from one place to another

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.