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