Question

Why is the oceanic crust much younger than the continental crust?

Answer 1

The oceanic plate is subducted back into the mantle, thus destroying ocean in crust, to balance the crust being produced at the mid oceanic ridges. This is why all oceanic crust is much younger than the continental crust; it is constantly being recycled.
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Answer 2

the oceanic crust much younger than the continent crust isit is very hard to say it is a long paragraph that is why I tell you in short paragraph Tashan E class is much younger and the continental because in the height and tallest the ocean across his younger and the Cantenatal crust is older and the ocean crust is younger