Where, how and why do deep ocean trenches occur?
How and why do deep ocean trenches occur? Why are they so deep?
What are the similarities and differences between a submarine canyon and a deep-ocean trench? What is deep? What is the difference between ocean deep and submarine canyon? Could there be a chance that if people dug a hole in the deep sea, they could dig out a special magma which is so fragile that it would burst into a vast hole and turn all of the sea water into vapor? Why can't light penetrate all the way into the deepest ocean? Why have oceans been explored less thoroughly than space? What landforms are found in the ocean basin? How were they created? How deep sea creatures survive under so high water pressure.? How do you explain the phrase 'still waters run deep'? How is a submarine canyon formed? What is the difference between ocean deep and submarine canyon? How is a beach rock with a hole in it (like this one) formed naturally? Can heavy water be found at the bottom of the ocean? Why does a submarine implode at a certain depth, but some marine life can live on the ocean floor in the deepest oceans without being crushed? What are the straight lines we see on the ocean floor in Google Earth caused by? Is there more deuterated water at the bottom of an ocean or deep lake? How do fish and deep-sea creatures withstand the pressures deep under the ocean? What are subsea wells and how are they drilled? What is a swamp? How are they formed? How are boundaries understood between various oceans? How deep is Atlantic Ocean where Titanic sank? What are lateral moraines and how are they formed? Why did whales and dolphins evolve breathing holes behind their heads? Why is the hydrodynamic boundary layer? What are lateral moraines? How are they formed? How Subsea Wells are drilled? Why is the water of seas and oceans salty? Why don't different oceans mix? What is the reason why tropical cyclones form over the ocean? What are the similarities and differences between the ocean and space? Why is the Sea of Cortez so biodiverse?