with the use of example,explain how the level of development of a country affects its carbon footprint.

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【问题】with the use of example,explain how the level of development of a country affects its carbon footprint.
【翻译】请举例说明,一个国家的发展水平如何影响它的碳足迹（即温室气体总量）
【回答】
A carbon footprint is the total amount of greenhouse gases produced to directly and indirectly support human activities,usually expressed by CO2.We know that the engine of a car burns fuel which creates a certain amount of CO2 and the the generation of the electrical power may also have emitted a certain amount of CO2 as well.So when the level of development of a country is high,the production of the cars,heaters and electrical appliances will rise simultaneously,thus enhances the carbon footprint.The improvement of the industry,which enhances the level of development of a country can also promp the factories to produce more greenhouse gases that affect the affects its carbon footprint.
【翻译】
碳足迹指直接或间接支持人类活动所产生的温室气体总量,通常以产生的二氧化碳来表示.我们都知道,汽车发动机在燃烧汽油的同时会释放出一定量的二氧化碳,电能产生的过程也是释放二氧化碳的.因此,当一个国家处在高水平的发展层次时,汽车、取暖器等电器的产量将同时增大,以此提高了碳足迹.此外,标榜着提高国家发展层次的工业发展同样促使各个工厂产生更多的温室气体来影响国家的碳足迹.