The line graph illustrates three companies the amount of waste produced from 2000 to 2015.
It is clear that, there were considerably changes in the amount of waste produced by all three companies A and B expreinced a downward trend over the period, but the amount of waste produced company C showed a steady but significant rise over the 15 year period.
In 2000, waste production of company A was the highest among these three company, however it dramatically declined to 9 tonnes in 2010 and continued with a gradual decrease to 8 tonnes in 2015. During the 2000 and 2005 produced waste in tonnes of company B 8 tonnes in 2000 , but grew to 10 tonnes in 2005. In meantime company C gradual decrease to 3 tonnes in 2015.
In early 2000 the amount of waste produced company C the lowest among these three companies. Company C was nearly 4 tonnes, but rapid increase and grew to 7 tonnes in 2010, and it continued gradual increase and dropped 10 tonnes in 2015, and the company C the highest among these three companies over the period shown
