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