Ex: There is one mistake in each sentence. Find and correct it. 1. The burning of fossil fuels is harmful for the environment and public health. 2. Solar energy can convert into other forms of energy, such as heat and electricity. 3. Solar power is by far the more popular renewable energy source. 4. Within ten years, people will be used less fossil fuel and more renewable energy. 5. Using solar energy instead fossil fuels can help reverse the effects of global warming. 6. Many people living in rural areas use biogas to cook, and heating. 7. Wind power is clean, abundant, widely available, and environmental friendly. 8. One of the ways you can save energy in your home are to use energy saving light bulbs.