Which one of the following primary sources of energy has recorded the highest growth in production in 2008–09 ?
A. Coal & lignite
B. Crude petroleum
C. Natural gas
D. Hydro & nuclear electricity
Answer:A
Which one of the following primary sources of energy has recorded the highest growth in production in 2008–09 ?
A. Coal & lignite B. Crude petroleum C. Natural gas D. Hydro & nuclear electricity