Question 1
Study Figure 1, which shows changing levels of carbon dioxide in the atmosphere between 1960 and 2020.
Identify the year in which the amount of carbon dioxide in the atmosphere reached 400 parts per million (ppm).
(1)
Calculate the amount by which carbon dioxide (ppm) increased between 1960 and 2020.
(1)
State two human activities which cause the enhanced greenhouse effect.
(2)
Explain one piece of evidence which suggests human activity is causing climate change.
(2)
Study Figure 2, which is a map showing the distribution of tropical cyclone source areas and the number of tropical cyclones in 2018.
June–Oct Months when tropical cyclones are most likely
Figure 2
Identify the period when tropical cyclones are most likely to affect the East coast of the USA.
(1)
There was a global total of 140 tropical cyclones in 2018.
Calculate the percentage of tropical cyclones occurring in the northern hemisphere in 2018.
(2)
Show your working.
Using Figure 2, explain the distribution of tropical cyclone source areas.
(3)
Describe how satellite imagery can be used to assess the impact of tropical cyclones.
(2)
Study Figure 3, which is a map showing the Indonesian earthquake and tsunami which occurred in September 2018.
Explain how earthquakes can cause tsunamis.
(2)
Using Figure 3, suggest two reasons why many deaths occurred in Palu following the earthquake.
(4)
Explain one difference between shield and composite volcanoes.
You may use a diagram to help your answer.
(2)
Evaluate the effectiveness of the management of a volcanic or earthquake hazard in either a named emerging or developing country.
Named emerging or developing country
(8)