Plate tectonics can create ocean trenches. Which statement is correct?(1 point)

Responses

Ocean trenches support photosynthesis.
Ocean trenches support photosynthesis.

Ocean trenches are carbon sinks, which help the earth regulate carbon levels.
Ocean trenches are carbon sinks, which help the earth regulate carbon levels.

Ocean trenches are very warm.
Ocean trenches are very warm.

Ocean trenches are hospitable environments for ocean life.

1 answer

The correct statement is:

Ocean trenches are carbon sinks, which help the earth regulate carbon levels.

Ocean trenches, due to their depth and ability to trap organic matter, play a role in the carbon cycle by storing carbon in their sediments.

The other statements are incorrect because:

  • Ocean trenches do not support photosynthesis due to the lack of light at such depths.
  • Ocean trenches are typically very cold, not warm.
  • They are not considered hospitable environments for a wide range of ocean life, as the extreme pressure, low temperatures, and darkness make conditions challenging for many organisms. However, some specialized life forms do exist there.
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