Hailstones
Hailstones are raindrops that (13)………………………….(freeze) while falling through layers of cold air. When they fall from the sky, they are usually as big as peas. But , at times, hailstones as big as tennis balls (14)……………………………(can/see). A great deal of damage (15)……………………………..(can/cause) by hailstones of this size.