The charts below show the chnages in ownership of electrical appliances and amount of time spent doing housework in households in one country between 1920 and 2019. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
In past people feel difference in foreign culture. Nowadays, this situation is changed. What are the causes of these chnages? Do the advantages outweigh the disadavtages?
The three pie charts below shows the chnages in annual spending by a particular UK school in 1981, 1991, and 2001.
The graph below shows the average monthly chnages in the prices of three metals during 2014