Question

the ocean floor is made up of ---------- parts
options :
6
7
5​

Answer 1

Answer:

It is composed of the upper oceanic crust, with pillow lavas and a dike complex, and the lower oceanic crust, composed of troctolite, gabbro and ultramafic cumulates. The crust overlies the solidified and uppermost layer of the mantle. The crust and the solid mantle layer together constitute oceanic lithosphere.

Explanation:

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Answer 2

Answer:

7

Explanation:

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