The shown line graphs describe the development in ownership of washing machine, refrigerator, and vacuum cleaner and percentage of time spent washing clothes, preparing meals, and cleaning in households in a country over
The tables demonstrate the outcomes of two surveys conducted with a difference of 30 years - in 1980 and 2010 - on different aspects of living in a particular city.
The two pie charts illustrate the differences in the world's distribution of territory's population during a hundred-year span from 1910 to 2010, presented as percentages.
The line graph illustrates the consumption of fast food in Britain in three varieties: hamburger, fish and chips, and pizza; between 1970 and 1990. The unit is measured in gram. Overall, Hamburger and fish & chips figure