Which term describes an igneous rock that forms quickly on earth's surface from cooling lava?
a: intrusive
b: plutonic
c: extrusive
d: clastic

C: extrusive

Extrusive rocks are a type of igneous rock that form at the crust's surface as a result of volcanic activity.

Intrusive and plutonic form below the earth's surface.  Clastic are sedimentary rocks.

the roman republic began to expand when rome fought the punic wars and defeated carthage. the punic wars refer to the series of 3 wars fought among rome and carthage, before it ended in carthage's defeat.