Environmentalhard · Past Paper
The 'Keeling Curve' is a graph that represents:
AThe rate of ozone depletion
BThe rise in sea level
CThe concentration of atmospheric CO2 over time
DThe change in global population
✓ Correct Answer: C — The concentration of atmospheric CO2 over time
The Keeling Curve shows the ongoing change in concentration of carbon dioxide in Earth's atmosphere since 1958.
Share this question
More from Environmental
- Which chemical is used as a 'fire suppressant' but contributes to ozone depletion?
- How do aerosols generally affect the Earth's energy balance?
- Which of the following is a waterborne disease?
- What is the full form of IUCN?
- 'Silent Spring', a book that launched the environmental movement, was written by: