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