The newest 6 of 6 written questions. Open one to see it on the real paper.
Table 3.1 shows some information about the number of tigers that live wild. Table 3.1 year estimated number of tigers that live wild 1900 100 000 2000 3500 2020 4500 Suggest two reasons for the difference in the number of tigers between 1900 and 2000.
See it on the paper →Explain why deforestation impacts the carbon cycle.
See it on the paper →The impact on the carbon cycle is one undesirable effect of deforestation. State one other undesirable effect of deforestation.
See it on the paper →Food webs are affected by deforestation. Fig. 7.2 is a bar chart showing the area of deforestation each year for one country. 30,000 25,000 20,000 area of deforestation 15,000 each year / km 2 10,000 5,000 0 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 year Fig. 7.2 Describe the...
See it on the paper →State the year that had the greatest amount of deforestation.
See it on the paper →Explain why the trend seen in deforestation between 2004 and 2010 benefits sloths.
See it on the paper →Candidates needed to explain why deforestation impacts the carbon cycle. Some candidates gained credit for explaining that the concentration of carbon dioxide in the atmosphere increases. Some candidates explained that deforestation results in less removal of carbon dioxide by photosynthesis.
— Examiner report, May/June 2025, 0653/43 Q3(c)(i) (Cambridge)
Most candidates gained credit for stating one other undesirable effect of deforestation.
— Examiner report, May/June 2025, 0653/43 Q3(c)(ii) (Cambridge)
Candidates generally did well in this question, with many giving valid trends shown in the bar chart.
— Examiner report, May/June 2023, 0653/33 Q7(c) (Cambridge)
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