Giúp vs Question II. Read the following passage and then answer the questions below. Energy is very important in modern life. People use energy to run machines, heat and cool their homes, cook, give light, transport people and products from place to place. Most energy nowadays comes from fossil fuels such as petroleum, coal and natural gas. However, many people are worried about them because burning fossil fuels causes pollution. In addition, if we don’t find new kinds of energy, we will use up all the fossil fuels in the 21st century. Scientists are working to find other energy sources for the future. What might these sources of energy be? Questions: 1. How is energy in modern life? ............................................................................................................................................... 2. What do people use energy for their lives? ............................................................................................................................................... 3. Why are people worried about fossil fuels? ............................................................................................................................................... 4. When will we use up all the energy of we don’t find new kinds of energy? ...............................................................................................................................................