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