Matching Pairs Trial 7Online version Trial 7 by Martin Smith 1 Suddenly everyone was earning money. 2 The population grew like Abidjan’s; 3 This massive open pit is the biggest mine in Isoko. 4 Toxic mercury is used to aggregate the gold, 5 Considering the giant scale of the pit, the final product seems meagre. 6 This piece of gold is worth about ten dollars. and is then drained into the soil. and with this, the economy also became like Abidjan’s – says one man. Look! He’s washing out a tiny grain! Of gold! Hundreds of people work in tandem to dig out gold ore.