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Geologists distinguish between two main categories of igneous rock—extrusive and intrusive—based on?

Geologists distinguish between two main categories of igneous rock—extrusive and intrusive—based on

Question options:

a) 

whether or not the rock contains volatiles.

b) 

how fast the magma migrated.

c) 

if it has a high or low melting point.

d) 

where the rock solidified.

1 Answer

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  • 1 month ago

    Where the rock solidified. 

    Source(s): General knowledge of geology
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