World Geography
The modern theory of plate tectonics states

All of these
that the oceanic crust is destroyed at areas where this crust type becomes subducted under the light
the convention currents within the earth's mantle cause the creation of new oceanic crust at the mid
the creation of oceanic crust and the drifting of continents

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World Geography
Which among the following statements is/are correct about Fronts?The boundary zone when two different type of air masses meet is called a Front.Differences in terms of tem­perature, humidity, precipitation, cloudiness, and wind direction are experienced along different fronts.Occluded front is formed when cold front over­takes warm front and warm air is completely displaced from the ground surfaceSelect the correct code from the options given below:

None of these
1, 2 & 3
Only 1 & 2
Only 1

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