Question

In 2010, the country which produce the highest emission of CO2 is
1- USA
2- China
3- India
4- EU ​

Answer 1

Answer:

CO2—a greenhouse gas—has become a major concern as climate change becomes a bigger issue.

China is the world's largest contributing country to CO2 emissions—a trend that has steadily risen over the years—now producing 10.06 billion metric tons of CO2.

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