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1. What should we use for cooking instead of gas?
2. What type of energy is solar energy?
3. Why can't nuclear power be used popularly?
4. What do people use solar power for?
5. When was Yaly Hydropower plant constructed?
6. Where will solar panels be placed?
7. How much did the US spend on energy research in 2015?
8. How many types of renewable energy are there?
