42. Which of the following is a Non Renewable Resource of Energy? A.Wind Power B.Hydrogen Fuel C.Natural Gas D.Solar Energy
Option C Solution: Most non-renewable energy sources are fossil fuels: coal, petroleum, and natural gas. Carbon is the main element in fossil fuels. For this reason, the time period that fossil fuels formed (about 360-300 million years ago) is called the Carboniferous Period.