Which statement about hail is correct? a. it is rain that falls through a layer of freezing air. b. it may freeze at high elevations many times before falling to the earth. c. it forms in winter in low stratus clouds. d. it is a liquid form of precipitation.

The correct option is B. Hail refers to pellet of water which falls in showers from the cloud, it is a type of solid precipitation. Balls of hail are called hailstones. Hail producing storms can be examined for hail using weather satellite or weather radar. Water usually drops in temperature at high altitude and become hails.