Question

The 1970s, the island of Nauru had one of the highest per capita incomes in the Oceania region due to extensive _______ mining.

A. gold
B. phosphate
C. copper
D. nickel

Answer 1

The 1970's, the island of Nauru had one of the highest per capita incomes in the Oceania region due to extensive PHOSPHATE mining.

Answer 2

In the 1970s, the island of Nauru had one of the highest per capita incomes in the Oceania region due to extensive phosphate mining.