During which period, wheat production increased from 11 million tonnes to 75 million tonnes?
A. 1960-2000
B. 1980-1990
C. 1942-1980
D. 1920-1950
Answer:A
During which period, wheat production increased from 11 million tonnes to 75 million tonnes?
A. 1960-2000 B. 1980-1990 C. 1942-1980 D. 1920-1950