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how reefs are made? the really small islands? please let me know if im wrong or right.

how reefs are made? the really small islands? please let me know if im wrong or right. .
By: Guest
Date: Mon-Sep-24-2012-
Response
0
Reefs are made through the depositing of sand or waves eroding rocky outcrops. 

Coral reefs, like the great barrier reef are formed by coral growing around a volcanic island. There is often with a shallow lagoon between the reef and island. The volcano becomes extinct and begins to subside and the coral continues to grow and the lagoon becomes wider and deeper and water fills the space where the island used to be above water. Eventually the island subsides so much that it is completely under water leaving the reef and lagoon all on it's onsie. Eventually the coral reef can close off the the lagoon entirely and form and atoll. Fringing reefs can take 10K years to form and atolls can take 30 million years to form.
[d] By: Guest
Date: Mon-Sep-24-2012
Response
What is 1 + 100



Helpfulbox Now Offers Free POS Software

for restaurants, kiosk, and any other retails business completely free. It can be used as windows cashier system or as full blown POS. You will able to print to kitchen, display orders on the kitchen screen, manage inventory, employee, report, customer loyalty offers, employee management, delivery address track and much more, all for free.

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