Discuss causes for the increase in carbon dioxide levels

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Reference no: EM133876115

Question

A teacher shows the following graph to his class. This graph shows the atmospheric carbon dioxide that was collected at a sample site.

The rate of carbon dioxide increase at this site is similar to the global rate. As the class discusses causes for the increase in carbon dioxide levels, students ask the teacher questions.

Which question most clearly indicates an understanding of the cause of this data trend?

Do more people use wind energy today than 50 years ago?
Does the number of plants on Earth increase every year?
Do more people drive cars today than in 1960?
Does Earth's orbit slowly get closer to the Sun each year?

Reference no: EM133876115

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