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