The secondary sources of energy are
A. solar, wind and water
B. coal, oil and uranium
C. either A or B
D. neither A or B
Answer:A
The secondary sources of energy are
A. solar, wind and water B. coal, oil and uranium C. either A or B D. neither A or B
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.