Select the choice that best answer the question or complete the statement.
The greatest source of energy on Earth is
a. petroleum.
b. sunlight.
c. electricity.
d. nuclear power.
Explanation: Sunlight is an eletromagnetic radiation produced by the Sun, it is the greatest energy source in the world servicing plants( photosynthesis) and Animals (light,heat etc). Sunlight is the only source of energy that provides energy across the entire area surrounding. Other energy produced by other sources mentioned are a proportion of what the sunlight can produce and options are influenced by the sunlight.
