Approximately how long would it take to close a major ocean basin, such as the A

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Approximately how long would it take to close a major ocean basin, such as the Atlantic ocean, by subduction? In most areas of the continental crust, significant earthquakes^humans extracted kilometers 1 his is best explained by (circle best answer): only above 20 km have humans extracted enough petroleum to remove faults' natural lubricant so that earthquakes can occur: the pressure is too low below 20 km to produce earthquakes; the pressure is too great below 20 km to produce earthquakes; below 20 km everything is molten; below 20 km the crust is warm in enough to deform by plastic flow instead of sliding on faults the magma sources for volcanoes only occur within the upper 15 to 20 km of the crust Which of the following has not been NOT a type of research used by scientists to learn about plate tectonics (circle best answer): Study of Earth magnetism, past and present; Study of earthquakes; Study of the sea floor; Deep drilling and installation of monitoring devices to measure the flow in the asthenosphere; Study of the age of rocks The Earth's rigid pieces of lithosphere move relative to one another atop the mobile asthenosphere. The flow in the asthenosphere that facilitates the movement of the pieces of lithosphere above is (circle best answer): the flow of molten rock; the flow of glaciers made more plastic because of global warming; the flow of hot water; the movement of giant landslides; the plastic flow of solid rock: the flow of hot carbon dioxide "gas carpet" True or False (circle best answer) Most earthquakes do not take place along plate boundary zones. explain your answer to (a)

Explanation / Answer

Answer for question no.5

Answer is (e) about 100 million years.

Nearly 100-200 million years would it take to close Atlantic ocean basin.

Atually atlantic is a passive margin but if it turns as subduction movements then this ocean basin will be closed within 100-200 million years.

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