[Answered] What is the average thickness of the oceanic crust? A) 0 km B) 3 km C) 7 km D) 20 ...

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Author Question: What is the average thickness of the oceanic crust? A) 0 km B) 3 km C) 7 km D) 20 ... (Read 49 times)

jeatrice

Hero Member
Posts: 543

on: Jul 16, 2018

What is the average thickness of the oceanic crust?

A) 0 km
B) 3 km
C) 7 km
D) 20 km

Question 2

The oceanic crust is composed almost entirely of ________ rocks that are underlain by ________ rocks, which makes up the lithospheric mantle.

A) felsic; sediments
B) intermediate; felsic
C) sedimentary; mafic
D) mafic; ultramafic

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ms_sulzle

Sr. Member
Posts: 320

Reply #1 on: Jul 16, 2018

Answer to Question 1

Answer: C

Answer to Question 2

Answer: D

jeatrice

Member
Posts: 543

Reply 2 on: Jul 16, 2018

Great answer, keep it coming

sailorcrescent

Member
Posts: 334

Reply 3 on: Yesterday

Gracias!

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