Oceanography - Coral Reefs, Tides and Waves

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1.
In context with the tides, if a high tide occurs at a particular place at 8.00 AM. What time we can expect the next high tide?
2.
Which is the largest coral reef in the world?
3.
Which among the following are called Rainforests of the Ocean?
4.
Which among the following statements is/are correct about Corals Reefs?
  1. They are the colonies of tiny living creatures that are found in oceans.
  2. They occupy 50 % of the ocean surface.
  3. Coral reefs are also regarded as the tropical rainforest of the sea
Select the correct code from the options given below:
5.
Which among the following factors affect the formation of Coral Reefs?
  1. Extreme Climatic conditions
  2. Overfishing
  3. Coastal development
  4. Pollution
  5. Sedimentation
Select the correct code from the options given below:
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