Which of the following rock types requires dissolved gas in the magma?
A)Granite
B)Pumice
C)Gabbro
D)Diorite
E)Andesite

Name: Which of the following rock types requires dissolved gas in the magma? A)Granite B)Pumice C)Gabbro D)Diorite E)Andesite
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Question

Quizplus · Accepted Answer

Pumice is formed when gas-rich magma rapidly cools and solidifies, trapping the dissolved gas inside, resulting in a porous, lightweight rock. The other rock types listed do not require dissolved gas in the magma.

Which of the Following Rock Types Requires Dissolved Gas in the Magma