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Discussion :: Hydrosphere

  1. Which of the following is not an important condition for growth of coral?

    2. A.

     Wave-free salt water
    B.

     Clean salt water
    C.

     Warm seas
    D.

     Plenty of sunlight

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    Answer : Option A

    Explanation :

    Wave-free salt water is not an important condition for growth of coral. Corals need saltwater to survive and require a certain balance in the ratio of salt to water. This is why corals don't live in areas where rivers drain fresh water into the ocean (“estuaries”).

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