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Seafloor Spreading

Class 11 Geography के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

GeographyBefore calling a long elevated sea-floor feature a ridge, which evidence can be decisive?Class 11Water (Oceans)Relief of the ocean floorHard GeographyWhat is the combined meaning of increasing crust age and sediment thickness away from a ridge?Class 11Water (Oceans)Relief of the ocean floorHard GeographyIf crust age and sediment thickness both increase away from a ridge, what conclusion follows?Class 11Water (Oceans)Relief of the ocean floorExpert GeographyWhat logical explanation is given by symmetrical magnetic stripes at a mid-oceanic ridge?Class 11Water (Oceans)Relief of the ocean floorExpert GeographyWhy can both sediment thickness and crust age increase with distance from a ridge?Class 11Water (Oceans)Relief of the ocean floorHard GeographyIf new crust, heat flow and hydrothermal vents occur on an ocean floor, which tectonic environment is indicated?Class 11Water (Oceans)Relief of the ocean floorExpert GeographyWhat does the symmetry of magnetic stripes on both sides of a mid-ocean ridge provide evidence for?Class 11Water (Oceans)Relief of the ocean floorExpert GeographyIf a sea-floor form is a long narrow elevation but lacks signs of new crust, what caution is needed in identification?Class 11Water (Oceans)Relief of the ocean floorHard GeographyIf rock age increases progressively away from a ridge on both sides, which conclusion is correct?Class 11Water (Oceans)Relief of the ocean floorMedium GeographySymmetrical magnetic stripes on the sea floor strengthen which scientific idea?Class 11Water (Oceans)Relief of the ocean floorHard GeographyA central rift valley and new crust on the sea floor strengthen identification of which feature?Class 11Water (Oceans)Relief of the ocean floorHard GeographyIf high heat flow, new crust and hydrothermal vents are found on the sea floor, what is the most likely location?Class 11Water (Oceans)Relief of the ocean floorHard GeographySymmetrical magnetic stripe patterns on the ocean floor are related to which process?Class 11Distribution of Oceans and ContinentsContinental Drift Theory and its evidenceHard GeographyWhich example shows the most direct relationship between ocean-floor relief and plate tectonics?Class 11Water (Oceans)Relief of the ocean floorHard GeographyWhat does the increasing age of oceanic crust away from a ridge prove?Class 11Water (Oceans)Relief of the ocean floorHard GeographyA bathymetric map shows a long elevated ridge with broadly symmetrical seafloor patterns on both sides. Which explanation best fits this pattern?Class 11Water (Oceans)Relief of the ocean floorHard GeographyThe increase in oceanic crustal age with distance from a mid-ocean ridge is evidence of which process?Class 11Water (Oceans)Relief of the ocean floorHard GeographyWhat is indicated by finding a ridge in the middle part of an ocean floor?Class 11Water (Oceans)Relief of the ocean floorMedium GeographyWhat is the main difference between subduction and seafloor spreading on the ocean floor?Class 11Water (Oceans)Relief of the ocean floorMedium GeographyWhat generally happens to the age of oceanic crust as we move away from a mid-oceanic ridge?Class 11Water (Oceans)Relief of the ocean floorMedium