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