The extrusive igeous rock cools very fast and is made by lava, but because it cools so fast extrusive igneous rocks they have really small crystals. Now the intrusive igneous cools really slow beneath the surface, and is made by magma.
hope this helps :p
Answer:1. Subduction 2. Deep-ocean trench 3. B
Explanation:
Did it on edge
Hadean is the eon that would contain rocks with no fossils.