Ex: Read the text and choose the best options to complete the following sentences: A carbon footprint is the amount of carbon dioxide (CO2) relesed in

Ex: Read the text and choose the best options to complete the following sentences: A carbon footprint is the amount of carbon dioxide (CO2) relesed into the air by your own energy needs. You need transportation, electtricty, food, clothing, and other goods. Co2 is produced by the burning of fossil fuels which is used to … Đọc tiếp