The graph shows the amount of carbon dioxide in the air from 1960 to 2020. By how much did it rise over the whole period? A line graph of carbon dioxide in the air at Mauna Loa, in parts per million: 317 in 1960, 326 in 1970, 339 in 1980, 354 in 1990, 370 in 2000, 390 in 2010 and 414 in 2020.

Environment & Sustainable Development · Question 19 of 52

The graph shows the amount of carbon dioxide in the air from 1960 to 2020.

MediumOriginal question

The graph shows the amount of carbon dioxide in the air from 1960 to 2020. By how much did it rise over the whole period?

24 ppmCorrect answerYour answer31 ppmCorrect answerYour answer97 ppmCorrect answerYour answer414 ppmCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer C

Correct answer: C

Worth noting

24 is the rise in the last decade alone; 31 is the percentage rise, not ppm.

Ten questions from Environment & Sustainable Development, at your own pace.

Ten questions from Environment & Sustainable Development, at your own pace.