- Reef - Wikipedia
A reef is a ridge or shoal of rock, coral, or similar relatively stable material lying beneath the surface of a natural body of water [1] Many reefs result from natural, abiotic (non-living) processes such as deposition of sand or wave erosion planning down rock outcrops
- Reef - Simple English Wikipedia, the free encyclopedia
A reef is a rock, sandbar, or other feature below the water surface (less than 80 meters below low water) The best-known reefs are the coral reefs in tropical waters They are built by corals and calcareous algae
- About Us | REEF®
We are dedicated to protecting our ocean, preserving our reefs, and continuing to create access to the spirit of the beach Our Partners in Conservation Observe and Conserve
- Reef - Education | National Geographic Society
A reef is a ridge of material at or near the surface of the ocean There are natural and artificial reefs Ecosystems are sometimes classified into terrestrial, or land-based, and aquatic This aquatic ecosystem is a coral reef off the shores of Papua New Guinea in the Pacific Ocean
- Historical Geology Reefs - Wikibooks
What is a reef? A reef, to a geologist, is what you get when macroscopic organisms which secrete skeletal matter (hard corals, for example, or oysters) grow on top of one another, forming a mass of skeletal material in relief from the sea bed
- Reef (company) - Wikipedia
Reef is a brand of casual sandals, known as flip-flops (Australia: thongs, New Zealand: jandals), created by two Argentine brothers, Fernando and Santiago Aguerre In 1984, they moved from Argentina to the San Diego beach community of La Jolla , California, where they began Reef
- Coral reefs - Coastal Wiki
Coral reefs provide the physical foundation of a number of mid-ocean atoll nations (e g , Kiribati, Tuvalu, Maldives, and Marshall Islands) Coral reefs also protect coral islands and island populations against the destructive forces of the sea under storm conditions, see Coral islands
- reef - Wiktionary, the free dictionary
reef (plural reefs) A chain or range of rocks, sand, or coral lying at or near the surface of the water (Australia, South Africa) A large vein of auriferous quartz; hence, any body of rock yielding valuable ore
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