The Carbon Dioxide in the atmosphere, by volume, is_______?
Correct answer: A. 0.039%
- A. 0.039%
- B. 3.9%
- C. 13%
- D. 30%Chemistry
Explanation
Carbon dioxide makes up about 0.04% of the atmosphere by volume, historically often quoted as 0.039%. The larger percentages listed would be far above its actual atmospheric concentration.
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Environmental science covers ecosystems, food chains and webs, energy flow, biogeochemical cycles, biodiversity, natural resources and population effects. Atmospheric study includes the layers and composition of air, weather and climate, greenhouse gases, global warming, ozone depletion, acid rain and pollution, with climate change distinguished from ordinary weather variation.
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