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