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6 marksNature, Forms, and Sources of Energy

CAPE Environmental Science Unit 2 · 2015 · Paper 2 · Question 3(c)(ii)

Figure 3 shows the regional distribution of world biofuel production in 2011.

In 2011, total world petroleum production was 87 331 600 barrels per day compared to 1 810 000 barrels per day of biofuel. Discuss TWO different reasons that could have resulted in this large disparity.

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Other parts of this question

  1. 3(a)Explain the statement: "the world's socioeconomic dependency on fossil fuel combustion will make it difficult to reduce carbon dioxide emissions".[3 marks]
  2. 3(b)(i)Define the term 'efficiency of conversion' as it refers to energy.[2 marks]
  3. 3(b)(ii)A Caribbean family consumes 7 200 MJ of energy per year on household lighting using incandescent bulbs, of which only 432 MJ is converted into light. State the…[4 marks]
  4. 3(c)(i)Given that total world production of biofuel in 2011 was 1 810 000 barrels per day, calculate how much more biofuel was produced in North, Central, and South…[5 marks]

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