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    ROroROro's Avatar
    ROroROro Posts: 32, Reputation: 1
    Junior Member
    		  
    #1

    Sep 29, 2010, 08:22 AM
    Please guys I need the answer today! It's my science homework
    Please guys answer these questions:

    What are coral reefs?

    Why are coral reefs used to replace bones?

    Thanks ;)
    J_9's Avatar
    J_9 Posts: 40,298, Reputation: 5646
    Expert
    		  
    #2

    Sep 29, 2010, 08:33 AM

    The answers are right there on Google for you.

    Google
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