Arable land per capita is a key metric in assessing a region's capacity for feeding its population. The table shows the estimated arable land per capita (in square metres per person, m2 person−1\text{m}^2\,\text{person}^{-1}m2person−1) for four world regions over a twenty-year period.
Region200020102020South Asia1050920810Sub-Saharan Africa224018501520East Asia & Pacific880810750Latin America & Caribbean255023802210\begin{array}{|l|c|c|c|} \hline \text{Region} & \text{2000} & \text{2010} & \text{2020} \\ \hline \text{South Asia} & 1050 & 920 & 810 \\ \hline \text{Sub-Saharan Africa} & 2240 & 1850 & 1520 \\ \hline \text{East Asia \& Pacific} & 880 & 810 & 750 \\ \hline \text{Latin America \& Caribbean} & 2550 & 2380 & 2210 \\ \hline \end{array}RegionSouth AsiaSub-Saharan AfricaEast Asia & PacificLatin America & Caribbean2000105022408802550201092018508102380202081015207502210What is the approximate percentage decrease in the arable land per capita in Sub-Saharan Africa between 2000 and 2020?
14.7%14.7\%14.7%
32.1%32.1\%32.1%
47.4%47.4\%47.4%
67.9%67.9\%67.9%
25 exam-style questions on OCR GCSE Biology 6.2 Feeding the human race, covering 6.2.1 Biological factors affecting food security, 6.2.2 Agricultural solutions to growing demand, 6.2.3 Selective breeding, 6.2.4 Genetic engineering, 6.2.5 Steps in genetic engineering, 6.2.6 Benefits and risks of gene technology in agriculture, and 6.2.7 Biotechnological solutions to growing demand. Each one has a worked solution and a mark scheme showing where the marks go.