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The table shows data about underground railway systems in six major cities with the date they opened, kilometers of route, and passenger numbers per year in millions.
The table shows the underground railway systems in six metropolises by opening date, length (km), and passengers (in millions) carried annually. The data suggest that a general positive correlation ex…
The chart shows the main reasons for study among students of different age groups and the amount of support they received from their employers.
The charts show two critical reasons for studying among students in five age groups and the level of support their employers provided. The data suggest that the younger the population was, the higher…
The World Health Organization recommends that people should eat five or more portions of fruit and vegetables per day. The bar chart shows the percentage of males and females in the UK by age group in 2006.
The bar chart shows the percentage of UK participants from both genders divided into seven age groups who consumed the recommended meat-free food (as announced by WHO) in 2006. The data suggest that w…
The bar chart shows the percentage of Australian men and women in different age groups who did regular physical activity in 2010.
The bar chart shows the proportions of male and female Australians in six age groups participating in routine exercises in 2010. The data suggest that while the level of involvement for men improved w…
The graph below shows the quantities of goods transported in the UK between 1974 and 2002 by four modes of transport.
The line graph shows the amounts of goods (in million tons) carried in the UK from 1974 to 2002 via four modes of transport. Overall, except for the rail network showing years of decline, all means of…
The pie charts show units of electricity by fuel source in Australia and France in 1980 and 2000.
The pie charts show the number of units of electricity produced by five fuel sources in Australia and France in 1980 and two decades later. The data suggest that the total energy production in both co…
The line graph gives information about the results of a survey on the main reasons people moved to the capital of a particular country.
The graph shows four key motivations for relocating to the capital of a specific country between 2000 and 2015. Overall, moving for education showed the sharpest and most significant increase, followe…
The chart shows the total number of minutes (in billions) of telephone calls in the UK, divided into three categories from 1995 to 2002.
The graph shows call durations (in billions of minutes) in three categories in the UK between 1995 and 2002. The data suggests that mobile calls experienced the most significant increase despite remai…
The graph shows the consumption of fossil and green energies (from a 2022 report) in the US (in quadrillion units) since 1980, with predictions for 2030.
Overall, fossil fuels have been most prevalent, with similar projections for the future, with petrol and oil topping the list. Alternative energy sources, however, rank at the bottom with substantiall…
