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