How Can You Tell the Difference Between Plutonic and Volcanic

question 5

Multiple Choice

How can you tell the difference between plutonic and volcanic igneous rocks?

• A) A volcanic rock is fine-grained; a plutonic rock is coarse-grained.
• B) A volcanic rock experienced more pressure, so they are smaller; plutonic rocks are larger.
• C) A volcanic rock has less silicate material than plutonic.
• D) A volcanic rock is much hotter than a plutonic rock.

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