Edexcel A-Level Biology A2 5.19 Climate Models and Extrapolation Questions

Extend the line or trend consistently to the requested year, read against the labelled temperature axis and report within the accepted range and precision.

Exam points

Extrapolate a climate trend to a stated future year and read the predicted change.
Report the estimated temperature change with suitable precision from graph evidence.

[Maximum number: 1]

The graph shows the changes in mean temperature of the surface of the Earth from 1970 to 2017.

Change in mean temperature of the surface of the Earth/ ${ }^{\circ} \mathrm{C}$

Figure for Question Edexcel A-Level Biology A2 5.19 Climate Models and Extrapolation Questions question 1 — Edexcel A-Level Biology A2

What is the estimated change in the mean temperature of the surface of the Earth in 2030?

1.3

1.1

0.8

0.2

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Edexcel A-Level Biology A2 5.19 Climate Models and Extrapolation Questions question 1