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