👤

which pair of properties explains how an igneous rock can be black, shiny, smooth, and have no visible mineral grains on its surface?
A.Extrusive and fast-cooling
B.Extrusive and slow-cooling
C.Intrusive and fast-cooling
D.Intrusive and slow-cooling​


Sagot :

Answer:

A. Extrusive and fast-cooling

Explanation: Extrusive rocks crystallize from lava at the earth's surface. Very quickly cooled lavas, typically those quenched in water