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Author Question: Compared with oceanic crust, continental crust is very buoyant because it is A) composed of ... (Read 110 times)

nelaaney

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on: Jul 29, 2018
Compared with oceanic crust, continental crust is very buoyant because it is
 
  A) composed of basaltic rock that contains air bubbles from successive lava flows.
  B) composed of granitic rocks whereas oceanic crust is composed of basaltic rocks.
  C) thinner and forms a thin upper skin on the oceanic crust below.
  D) very young and fresh.

Question 2

The Earth's magnetic field is generated in
 
  A) outer space.
  B) the crust.
  C) the mantle.
  D) the outer core.


yahahah24021

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


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