3. Which of the following best describes a basalt?
A. dark-colored, fine-grained igneous rock rich in silica
B. dark-colored, fine-grained igneous rock poor in silica
c. dark-colored, coarse-grained igneous rock rich in silica
D. dark-colored, coarse-grained igneous rock poor in silica
Answers & Comments
Answer:
D
Explanation:
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A. dark-colored, fine-grained igneous rock rich in silica