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At the crust it hardens and becomes the newest part of the sea floor.
The sea floor is constantly shrinking. Explain the following statement. Because of sea floor spreading the ocean floor is constantly renewing itself. Seafloor spreading is when tectonic plates split from each other creating a new oceanic crust. Question 1 one knot is equal to one nautical mile.
In the pacific ocean the east pacific rise is spreading at a rate of about 6 inches per year but the pacific ocean is surrounded by deep sea trenches. This means that more ocean floor is being subducted than is being produced by sea floor spreading and the pacific ocean is shrinking. This increases the volume of the ocean basin and decreases the sea level. Jonathan kingslake the ice sheets near earth s poles have been constantly shrinking for the past 20 000 years.
True or false question 3 the sea floor is constantly shrinking. This process gradually pushes tectonic plates apart and occurs at underwater mountain ranges called mid ocean ridges. Even though the planet isn t growing it is constantly changing. Yes the atlantic ocean is growing because of the sea floor spreading under it while the pacific ocean is shrinking because the sea floor is folding under itself and into the mantle what evidence.
But according to a study published today in nature the west antarctic ice sheet has regrown in recent history and the process was driven by its own shrinking. True or false question 4 mountains located on the ocean s floor are higher than the tallest mountains on land. As magma continues to rise in the convection current the oceanic crust is pushed aside so that more seeps through the gap. At least that s what scientists used to think.
Rising magma cools and solidifies to form new rock that replaces the ocean floor. The newly established parameter will provide a basic framework against which scientists can measure the movements of earth s crust. The two geological processes that help explain the shrinking of the pacific ocean are seafloor spreading and subduction. Yes the atlantic ocean is growing because of the sea floor spreading under it while the pacific ocean is shrinking because the sea floor is folding under itself and into the mantle.
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Yes the atlantic ocean is growing because of the sea floor spreading under it while the pacific ocean is shrinking because the sea floor is folding under itself and into the mantle. The two geological processes that help explain the shrinking of the pacific ocean are seafloor spreading and subduction. The newly established parameter will provide a basic framework against which scientists can measure the movements of earth s crust.
