How are extrusive rocks formed? magma gets trapped inside earth and cools to rock. volcanoes apply force to solid rocks and eject them. magma gets forced to earth’s surface and cools to rock. volcanoes trap lava inside earth, where it cools to rock.

The correct answer is - Magma gets forced to Earth's surface and cools to rock.

The extrusive rocks are rocks that have been formed by the very quick cooling of the magma on the surface, be it on land or in water. The magma practically gets pushed towards the surface, and because the surface is much cooler, the magma cools off very quickly and forms the extrusive rocks. Because of the quick cooling off, this type of rocks have very small crystals, or even not have crystals at all, and the reason for that is that the cooling off of the magma is so quick, that there's not enough time or the right conditions for the formation of bigger crystals.

I'd go for C hope this helps!!

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".