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3 marksEnvironmental and Economic Costs of Energy Use

CAPE Environmental Science Unit 2 · 2019 · Paper 2 · Question 4(a)(i)

Fuel costs and electricity demand in a Caribbean country.

State THREE trends observed in Figure 3 showing fuel costs over a five-year period.

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Other parts of this question

  1. 4(a)(ii)Suggest a reason for any ONE of the trends stated in (a)(i).[2 marks]
  2. 4(a)(iii)Explain the relationship between 'electricity demand' and 'peak hourly load'.[3 marks]
  3. 4(b)(i)Define the term 'energy conservation' and state ONE example.[2 marks]
  4. 4(b)(ii)Define the term 'energy efficiency' and state ONE example.[2 marks]
  5. 4(b)(iii)Explain, using TWO examples, how cogeneration may be used to promote energy conservation in buildings.[4 marks]
  6. 4(c)Explain ONE environmental and ONE socioeconomic impact of utilizing a named form of energy on the environment.[4 marks]

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