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