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