Answer:
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.
You could just look it up but i think it’s c
I think it’s Mongolia and China. Again I’m not sure so I’m sorry if I got it wrong.
