I believe its b , hope it helps
Latin america should be true
The answer would be : <span>volcanism.
Hope this helps !
Photon</span>
Density, population size, and distribution statistics.
Answer:
They have small crystals.
Explanation:
Extrusive igneous rocks form when lava reaches the Earth's surface a volcano and cools quickly. Most extrusive or volcanic rocks have small crystals. Examples include basalt, rhyolite, andesite, and obsidian. Intrusive, or plutonic, igneous rocks form when magma cools slowly below the Earth's surface.