During normal conditions, we only see the sun’s but during a solar eclipse, we get to see the

a. photosphere; corona

b. chromosphere; corona

c. corona; chromosphere

d. corona; photosphere

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.