Environmentalhard · Past Paper
The 'Keeling Curve' is a graph that plots the:
AGlobal population growth
BConcentration of CO2 in the atmosphere
CMelting rate of Arctic ice
DOzone layer thickness
✓ Correct Answer: B — Concentration of CO2 in the atmosphere
The Keeling Curve shows the ongoing change in concentration of carbon dioxide in Earth's atmosphere since 1958.
Share this question
More from Environmental
- What is the 'Cryosphere'?
- What is the full form of 'BOD' in water quality testing?
- Which of the following is a byproduct of incomplete combustion that affects the climate?
- What happens to the temperature as we go higher in the troposphere?
- Which gas has a 'sweetish' smell but is a dangerous air pollutant found in vehicle exhaust?