Your Answer ▼ The line graphs represent how the proportion of electrical appliances possession and the number of hours of housework in a country had changed from 1920 to 2019. Overall, during the entire duration, percentage of households using electronic appliances including washing machine, refrigerator, and vaccum cleaner raised up. Meanwhile, the time spent on housework was decreased. In detail, the percentage of households who own refrigerator showed dramatic change from 0 percent in 1920 to 100 percent in 1980. It was lanked on third lank compared to other appliances, until it outraged others after 1940 and became the most common elctrical item. However, the proportion of washing machine ownership had the smallest change between 1920 and 2019. It only increased about 30 percentage from two of fifth in 1920 and there was a fluctuation in 1980. Lastly, although the amount of time that households spent on housework showed constant decline for the duration, the change between 1920 and 1960 was much bigger than the movement after 1960. |