key: \nlimestone c \nshale d \nfine - grain sandstone e \ncontact metamorphism \nintrusive igneous rock f…

key: \nlimestone c \nshale d \nfine - grain sandstone e \ncontact metamorphism \nintrusive igneous rock f \nintrusive igneous rock g \nlava flow b \nwhich diagram best represents a sample rock g?
Answer
Brief Explanations:
Rock G is an intrusive igneous rock. Intrusive igneous rocks cool slowly beneath the Earth's surface, allowing large - sized crystals to form. Diagram b likely shows a rock with larger crystals which is characteristic of intrusive igneous rocks. Diagram a may represent a sedimentary rock with rounded clasts and diagram c may represent a fine - grained rock like an extrusive igneous rock or a metamorphic rock.
Answer:
B. Diagram b