About 50% of the world population is concentrated between the latitudes of ________
A. 5°N and 20°N
B. 20°N and 40°N
C. 40°N and 60°N
D. 20°S and 40°S
Answer: Option B
A. 5°N and 20°N
B. 20°N and 40°N
C. 40°N and 60°N
D. 20°S and 40°S
Answer: Option B
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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