Use the graph to answer the question. Which has been the primary source of energy in the most recent century? (1 point) Responses hydroelectric and other renewables hydroelectric and other renewables wood and nuclear wood and nuclear petroleum, natural gas, and coal petroleum, natural gas, and coal wood and coal wood and coal

Answer 1

Based on historical trends in energy sources over the past century, the primary source of energy has been "petroleum, natural gas, and coal." These fossil fuels have dominated global energy consumption for most of the 20th and into the 21st century. Therefore, the correct response would be:

petroleum, natural gas, and coal.