O-LevelGeographyEconomic development2217/21 · Oct/Nov 2010 · Q68 Marks

Study Table 2, which shows energy consumption in the USA. Table 2 | Source | % | |:------------------------|:---| | Oil | 39 | | Gas | 23 | | Coal | 22 | | Nuclear | 8 | | Hydroelectric | 4 | | Other renewable energy | 4 |

(a)(i)What is meant by the term renewable energy?[1]
(a)(ii)State one type of energy source that could be included in the “other renewable energy" category on Table 2.[1]
(b)Use the data in Table 2 to complete the divided bar on Fig. 6 below. [Figure 6][2]
(c)(i)Study Fig. 7, which shows the sources of energy used for production of electricity in the USA from 1950 to 2007. [Figure 7] Which source produced the most electricity in the year 2000?[1]
(c)(ii)Describe how the amount of electricity produced from crude oil varied from 1950 to 2000.[3]

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Mark scheme

Marking points from the official mark scheme (Oct/Nov 2010). The mark or mark type is shown in brackets.

[1] (a)(i) Source is not used up; Recreated faster than used
[1] (a)(ii) Wind; Solar; Tidal; Biomass; Geothermal
[2] (b) Correctly divided; Correctly labelled
[1] (c)(i) Coal
[3] (c)(ii) 1950 = 12 quadrillion Btu; Fluctuating increase to 1970; 1970 = 20 quadrillion Btu; Steady decrease from mid 1980’s

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