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4 marksDemographic Principles and Population Dynamics

CAPE Environmental Science Unit 1 · 2016 · Paper 2 · Question 4(d)(ii)

Figure 3 shows the percentage of the world's population lacking access to selected social services, assuming a global population of 7.1 billion.

Calculate the total number of individuals who lack access to BOTH clean drinking water and improved sanitation services.

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Other parts of this question

  1. 4(a)Explain what is meant by the term 'sustainable development'.[3 marks]
  2. 4(b)Explain how high birth rates can affect a country's ability to achieve sustainable development.[4 marks]
  3. 4(c)Using the data in Table 2, make TWO comparisons between Country A and Country B.[2 marks]
  4. 4(d)(i)Identify the percentage of the world's population that lacks access to adequate health care services.[1 mark]
  5. 4(d)(iii)Explain THREE distinct methods by which the pollution impacts resulting from poor sanitation services can be mitigated.[6 marks]

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