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  • Created by: ra9718
  • Created on: 11-11-19 15:26

1. in some rivers there is high sediment deposition when it meets the ocean, why is that and what does that indicate?

  • fast flow environment it also indicates petrodollars
  • high productivity due to a fast flow, it also is an indicator of oil
  • low productivity, it indicates pollution
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2. how much do pelagic sediments cover the sea floor?

  • 3/4
  • 1/4
  • 1/1

3. methane hydrates can cause, due to climate change and warming waters, a release in methane emissions. what hazards can these cause?

  • the release of bubbles can cause underwater slope failure, which in turn can be a tsunami hazard
  • can cause an explosion of the sea
  • can make holes in the water

4. what percentage of oil are in offshore resources?

  • 50%
  • 90%
  • 30%
  • 29%

5. what are evaporites?

  • minerals that form when seawater evaporates
  • they form in volcanic conditions
  • they form in wet environments
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