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