The primary sources of energy are
A. coal, oil and uranium
B. hydrogen, oxygen and water
C. wind, biomass and geothermal
D. none of the above
Answer:A
The primary sources of energy are
A. coal, oil and uranium B. hydrogen, oxygen and water C. wind, biomass and geothermal D. none of the above
Explanation: Primary Sources - They are those sources which do not require any transformation before their use. They are directly used e.g., coal, lignite, petroleum, gas, etc.