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