If increased levels of carbon dioxide are the result of an industrial economy, which of the following countries is most industrialized?

D (Brazil)

Explanation:

According to the key, the country filled in with the darkest color has the highest level of carbon dioxide.

According to the question, "increased levels of carbon dioxide are the result of an industrial economy".

Brazil has the darkest fill in color and therefore is the most industrialized.

The answer is D. Brazil.

Explanation:

answerinternational border(ib);