How are igneous rocks formed?
A. Lava or magma cools and then crystallizes.
B. Glaciers melt.
C. Lava or magma heats up and crystallizes.
D. Hail falls and melts.
A, lava or magma cools and then crystallizes. TRUE B: glaciers melting, is just water. FALSE C: magma/lava don't heat up and crystallize. FALSE D: hail is also water after melting. FALSE