What type of rock is formed when heat and pressure change the composition? A: Residual B: Igneous C: Sedimentary D: Metamorphic

Would you expect all the crystals in an intrusive igneous rock to be the same size? A: Yes, you would. B: No, you wouldn't.

What kind of rock is the most widely distributed on earth? () A: Magmatite B: Sedimentary rock C: Metamorphic rock D: Igneous rock