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6 marksNature, Forms, and Sources of Energy

CAPE Environmental Science Unit 2 · 2014 · Paper 2 · Question 3(c)(ii)

Figure 4 shows the trends in petroleum prices from 1980 to 2011.

Give TWO reasons to explain how EACH of the following factors may produce the trend in petroleum prices seen in Figure 4: technological limitations, geographical restrictions, and reliability of supply.

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Other parts of this question

  1. 3(a)Copy the flow diagram and complete the blank spaces to show the energy transformations.[3 marks]
  2. 3(b)(i)State which type of water heater is cheaper to operate.[1 mark]
  3. 3(b)(ii)Calculate the annual savings gained from owning the type of water heater chosen in (b)(i).[1 mark]
  4. 3(b)(iii)Compare the performance of each water heater based on economic and energy conservation issues using the data in Table 2.[6 marks]
  5. 3(c)(i)Describe the trend illustrated in Figure 4.[3 marks]

More practice: the rest of this paper · more Nature, Forms, and Sources of Energy questions · all CAPE Environmental Science Unit 2 past papers