A) STONE B) SILVER C) GOLD D) ROCK
A) GYPSUM B) OPAQUE C) SOLID D) GOLD
A) COPPER B) STONE C) SOLID D) OPAQUE
A) QUARRY B) SULFUR C) OIL D) MINE
A) COPPER B) COAL C) QUARRY D) CRUST
A) CRUST B) QUARRY C) COAL D) COPPER
A) CORE B) COAL C) CRUST D) COPPER
A) JEWELLERY B) DIAMOND C) EARTHQUAKE D) MOHS SCALE
A) MARBLE B) ROOF C) CLAY D) LORRY
A) CLAY B) MARBLE C) COAL D) VASE |