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