The thermocline layer is the _______ layer of the ocean. 

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  1. second
  2. third
  3. fourth
  4. first

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Option 1 : second
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The correct answer is second

Key Points

  • The thermocline layer is the second layer of the ocean.
  • The thermocline is characterized by a rapid change in temperature with depth.
  • It lies between the mixed layer at the surface and the deep water layer.
  • This layer acts as a barrier to the mixing of surface water and deep water.

Additional Information

  • The mixed layer is the topmost layer of the ocean and is well-mixed due to wind and waves.
  • Below the thermocline is the deep water layer, where the temperature decreases more gradually with depth.
  • The thermocline plays a crucial role in ocean dynamics and marine life distribution.
  • Understanding the thermocline is important for climate studies, as it affects heat distribution and ocean circulation.
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