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slava [35]
3 years ago
11

Oceanic crust ____________.A. is thicker and denser than continental crust.B. comprises broad continental shelves along active c

ontinental margins and much narrower shelves along passive margins.C. is composed of gabbro and basalt overlain by sediment.D. gets younger the farther you go from the ridge axis.
Geography
1 answer:
ANEK [815]3 years ago
4 0

Answer:

C. is composed of gabbro and basalt overlain by sediment.

Explanation:

The oceanic crust, which extends 5 to 10 kilometers below the ocean floor, is mainly composed of different types of basalts. Below the sediment layer, there is a rocky unit composed mainly of basaltic lavas that contain abundant pillow-shaped structures called padded basalts. The gabbros are in the deepest interior part of the crust.

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