Ac giúo e vs ah , lm lại mấy câu e đã lm ah . E cảm ơn nhiều ah

Exercise 2: Choose the best option to fill in the blank. 1. When you save energy, you not only save money, you also reduce the demand for coal, oil, and natural gas and that is a great way to play a part in saving the planet. A. carbon footprint B. electricity C. fossil fuels 2. In Ind ...