Coal Beds Originate In_______

Q66: Slate is _ than shale.<br>A) denser<br>B) darker<br>C)

Q67: What is the difference between "magma" and

Q68: For a geologist, the most important characteristic

Q69: Lignite and bituminous coals are _rocks.<br>A) volcanic<br>B)

Q70: Which rock type can undergo metamorphism?<br>A) sedimentary

Q72: The most abundant chemical sedimentary rock is_

Q73: Igneous rocks are classified on the basis

Q74: When a metamorphic rock exhibits a layered

Q75: Mountain building causes metamorphism because _.<br>A) mountains

Q76: The most abundant sedimentary rock is_ .<br>A)