Multiple choice

Name second major energy source after oil.

  1. Natural gas

  2. Bio Gas

  3. Coal

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Natural gas is the second major energy source globally after oil, accounting for approximately 24% of world energy consumption. It is used for electricity generation, heating, and industrial processes. Coal ranks third, while bio gas represents a much smaller fraction of global energy supply.