Toss Up - Earth Science - Multiple Choice
Which of the following are thought to form the mantle of the Earth:
W) ultramafic rocks
X) felsic rocks
Y) silicic rocks
Z) mafic rocks
ANSWER: W) ULTRAMAFIC ROCKS
Which of the following are thought to form the mantle of the Earth:
W) ultramafic rocks
X) felsic rocks
Y) silicic rocks
Z) mafic rocks