42. The source of energy that causes the least global warming is A.Coal B.Geothermal energy C.Natural Gas D.Petroleum
Answer: Option B Solution: Fossil fuels — coal, petroleum, and natural gas — are the primary culprit behind climate change. They contribute more than 80 percent of greenhouse gas emissions — and 98 percent of CO2 emissions alone. On the contrary, Geothermal energy is thermal energy generated and stored in the Earth. It is clean and sustainable.
