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