Question 19M.3.HL.TZ2.a
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.HL.TZ2.a |
| Level | HL | Paper | 3 | Time zone | TZ2 |
| Command term | Calculate | Question number | a | Adapted from | N/A |
The graph shows global CO2 contributions from the use of fuels since 1825. Emissions estimates for the years since 1950 are based on energy data from the United Nations while emissions estimates for years prior to 1950 have been constructed using a variety of sources.
[Source: Boden T ; Marland G ; Andres R J (1999): Global, Regional, and National Fossil-Fuel CO2 Emissions (1751 – 2014)
(V. 2017). Carbon Dioxide Information Analysis Center (CDIAC), Oak Ridge National Laboratory (ORNL),
Oak Ridge, TN (United States). doi:10.3334/CDIAC/00001_V2017]
Calculate the percentage increase in the use of liquid fuels from 1950 to 1975.
%
[1]
« = » 650 «%» ✔
A certain number provided reasonable answers considering the y-axis graduations, but too many had totally incorrect and unrealistic answers, showing that they could not calculate a percentage increase.
