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4 marksEnvironmental and Economic Costs of Energy Use

CAPE Environmental Science Unit 2 · 2017 · Paper 2 · Question 3(a)(ii)

Module 2: A pie chart (Figure 2) illustrates the energy consumption breakdown in a Caribbean country, where total energy usage is 1.84 x 10^7 GJ.

Given that the total energy consumed in this Caribbean country is 1.84 x 10^7 gigajoules, calculate, showing all working, the total amount of energy consumed by the residential and industrial sectors.

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Other parts of this question

  1. 3(a)(i)Calculate, showing all working, the percentage of energy in this country that is used for the transportation sector.[2 marks]
  2. 3(b)(i)Distinguish between 'energy conservation' and 'energy efficiency'.[2 marks]
  3. 3(b)(ii)State TWO energy conservation methods that may be used in the transportation sector.[2 marks]
  4. 3(b)(iii)Explain what is meant by the term 'social cost of energy use'. Illustrate your response with a suitable example.[4 marks]
  5. 3(c)Discuss TWO environmental impacts of using fossil fuels as an energy source.[6 marks]

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