The diagram shows the consumption of renewable energy in the USA from 1949-2008.
The graph below gives information from a 2008 report about consumption of energy in the USA since 1980 with projections until 2030.
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The two graphs show the main sources of energy in the USA in the 1980s and the 1990s.
The line graph shows the historical oil prices per barrel from 1973 to January 2009.
Eating sweet foods produces acid in the mouth, which can cause tooth decay. (High acid levels are measured by low pH values) Describe the information below and discuss the implications for dental health.
The graph below shows the consumption of fish and some different kinds of meat in a European country between 1979 and 2004.
The graph shows Underground Station passenger numbers in London.
