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