Rocks from the Carboniferous period are significant because they
A) contain diamonds.
B) provide gold and silver deposits.
C) have large deposits of coal and oil.
D) are a source of cement.
Correct Answer:
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Q90: What was the one most important event
Q91: The Permian period experienced major extinctions,which may
Q92: Most coal deposits were formed in the
A)Cenozoic
Q93: Describe the conditions of Earth during the
Q94: The Paleozoic era begins with the Cambrian
Q96: At the end of the Paleozoic era,all
A)dinosaurs
Q97: Coal is composed of
A)petrified wood.
B)buried plant material
Q98: Sea level fluctuated several times during the
Q99: The first reptiles occurred during the
A)Tertiary.
B)Ordovician.
C)Triassic.
D)Carboniferous.
Q100: Ancient geologic processes as revealed in Paleozoic
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