Which or the following is known as the lifelines of a country?
A. Natural growth rate of population
B. Food supplies
C. Energy resources
D. Modem means of transport and communication
Answer: Option D
A. Natural growth rate of population
B. Food supplies
C. Energy resources
D. Modem means of transport and communication
Answer: Option D
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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