Question

choose the best option for the blank. relative to oceanic crust near a mid - ocean ridge, oceanic crust near a trench is ______. choose 1 answer: a younger b older c less dense related content introduction to plate tectonics

Explanation:

Oceanic crust forms at mid-ocean ridges, then moves outward, cooling, thickening, and becoming older and denser over time. Trenches form where old oceanic crust subducts, so crust here is older than that at ridges.

Answer:

B. older