The leading producer of coal in former Soviet Union is
A. Donetz basin
B. Kuzentsk basin
C. Karaganda Basin
D. Pechora basin
Answer: Option A
A. Donetz basin
B. Kuzentsk basin
C. Karaganda Basin
D. Pechora basin
Answer: Option A
The years 1700, 1800 and 1900 were
A. Leap years
B. Not leap years
C. Famine years
D. Years of natural calamities
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