Category: World Economy (Miscellaneous)

A. Iron, gold and silver
B. Gold, silver and lead
C. Iron, lead and sulphur
D. All of the above minerals

A. United States
B. Germany
C. Russia
D. France

A. United States
B. Germany
C. Russia
D. France

A. United kingdom
B. Australia
C. China
D. India

A. internal validity
B. face validty
C. reliability
D. external validity

A. Diamonds
B. Silver
C. Perfumes
D. Cereals

A. Bangladesh
B. Sri lanka
C. Philippines
D. Indonesia

A. Tajikistan
B. khazakhstan
C. Sudan
D. Nigeria

A. Pakistan
B. Bangladesh
C. India
D. SriLanka

A. Iran
B. Tanzania
C. Norway
D. Russia