Question:
Which of the following is another name for volcanic glass?
-
A.
Plutonic rock -
B.
Obsidian -
C.
Lava -
D.
Crystal
Reference explanation:
Correct answer: GET
The answer is NO
Info in the post: “The most finely grained igneous rock is volcanic glass or obsidian, which has no crystals.”
The finest-grained igneous rock is volcanic glass, also known as obsidian, without crystals.
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