Chairs = common noun; Roll-O-Rocker = proper noun. Harriet threw the stale cucumber sandwich in the trash can and fantasized about a Big Mac dripping with special sauce. Sandwich = common noun; Big Mac = proper noun. Because we like an attentive waiter, we always ask for Simon when we eat at Mama Rizzoli's Pizzeria.
Answer: Reef Sand is live sand when it is on the bottom of the ocean floor, it is here where the reef sand is alive. When the Reef Sand has been out of the seawater for a period of time and exposed to the airborne elements it is considered to be dead sand. (lacking nitrifying bacteria).
Beaches are formed by waves depositing sand and sediment. The size of a beach can vary dramatically over the course of its lifetime. Pure quartz is colorless, however most examples contain traces of other minerals that give them color.The action of waves on coral reefs creates sediment.and Formation. Sand is formed by erosion. This can take place by the action of water in rivers, by glaciers grinding against rock, by alternate freezing and thawing, and by the action of waves on rocks, coral reefs, and shells.