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