Please choose the correct answer to the question: Photovoltaic cells capture photons of sunlight and transform them directly into electricity. Many of Earth's other energy resources are simply transformed solar energy. Which two energy resources store energy that did not begin as solar energy?

Answer1: oil and coal Answer2: wind and wood Answer3: nuclear and geothermal Answer4: hydropower and natural gas

Answer format: answer1/answer2/answer3/answer4