Www.cfalls.summit.k12.oh.us

But not all beaches are made of light-colored sand. For example, on many tropical islands, such as the Virgin Islands, beaches are made of fine, white coral material. Some Florida beaches are made of tiny pieces of broken seashells. Black sand beaches in Hawaii are made of eroded volcanic lava. In areas where stormy seas are common, beaches are made of pebbles and boulders. ................
................