SRL for [the zones where Hess had predicted oceanic crust is being generated -LRB- along the ridges -RRB- and the zones where oceanic lithosphere sinks back into the mantle -LRB- beneath the trenches -RRB-]: The recognition of such a connection helped confirm the seafloor - spreading hypothesis by pin - pointing [the zones where Hess had predicted oceanic crust is being generated -LRB- along the ridges -RRB- and the zones where oceanic lithosphere sinks back into the mantle -LRB- beneath the trenches -RRB-] .
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