Take their test, it's long, a good half hour:
http://www.csmonitor.com/Science/2011/1209/Are-you-scientifically-literate-Take-our-quiz/Composing-about-78-percent-of-the-air-at-sea-level-what-is-the-most-common-gas-in-the-Earth-s-atmosphere?nav=701593-csm_article-promoLink
My results:
You answered 39 of 50 questions correctly for a total score of 78%.
A bit disappointed, thought I would do better.
http://www.csmonitor.com/Science/2011/1209/Are-you-scientifically-literate-Take-our-quiz/Composing-about-78-percent-of-the-air-at-sea-level-what-is-the-most-common-gas-in-the-Earth-s-atmosphere?nav=701593-csm_article-promoLink
My results:
You answered 39 of 50 questions correctly for a total score of 78%.
A bit disappointed, thought I would do better.