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1.By Tom and Justin 3/4C2. What is a Coral Reef? A coral reef is a sea structure, made out ofmany livingorganisms which together forms a wall. They are called coral polyps.…

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Slide 1 Earth's Surface 3.3 Sedimentary rocks form from earlier rocks. Slide 2 Some rocks form from rock particles Sediment ( something that settles )are materials that…

Documents Coral Reefs. What is a coral reef? Ecosystem Community of living organisms Exist since millions of.....

Slide 1 Coral Reefs Slide 2 What is a coral reef? Ecosystem Community of living organisms Exist since millions of years The reefs that we see today had to grow for around…