Ocean Currents and Marine Topography Exercise

Ocean Currents and Marine Topography

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Ocean Currents and Marine Topography

Learn about global ocean currents and underwater features of marine topography. Discover seafloor structures like trenches, ridges, and continental shelves.

Questions

  1. MultiChoice

    What is the shallow, gently sloping underwater region extending from a continent?

  2. MultiChoice

    What is the vast, flat area of the deep ocean floor called?

  3. MultiChoice

    What is an underwater mountain rising from the seafloor that does not break the ocean surface?

  4. MultiChoice

    What steep decline connects the continental shelf down to the deep ocean floor?

  5. MultiChoice

    What cold current flows along the western coast of South America toward the equator?

  6. MultiChoice

    What effect caused by Earth's rotation deflects moving winds and ocean currents?

  7. MultiChoice

    What feature is an eroded, flat-topped seamount below the sea surface?

  8. MultiChoice

    What ocean depth zone is completely dark and lies below 4000 meters?

  9. MultiChoice

    What process brings cold, nutrient-rich water from deep ocean levels up to the surface?

  10. MultiChoice

    What circular system of rotating ocean currents is driven by major wind belts?

  11. MultiChoice

    What underwater mountain chain forms where tectonic plates pull apart on the seafloor?

  12. MultiChoice

    Which ocean layer receives enough sunlight for marine plants and algae to perform photosynthesis?