The line graph compares the amount of waste produced by three companies—Company A, Company B, and Company C—over a period of 15 years, from 2000 to 2015. Overall, while Companies A and B initially produced more waste than Company C, their waste levels decreased significantly over time, whereas Company C saw a continuous increase, becoming the largest waste producer by the end of the period.
In 2000, Company A generated the highest amount of waste, at 12 tonnes. Over the next 15 years, the waste production of Company A steadily decreased, reaching approximately 8 tonnes in 2005 and further declining to 9 tonnes by 2015. This represents a notable downward trend in waste production over the period.
Similarly, Company B began with around 8 tonnes of waste in 2000, which rose slightly to about 10 tonnes by 2005. However, after this peak, its waste production experienced a sharp decline, dropping to 3 tonnes in 2015, the lowest among the three companies at that time.
In contrast, Company C started with the least amount of waste in 2000, producing roughly 4 tonnes. Unlike the other two companies, it consistently increased its waste output throughout the 15 years, surpassing both Company A and Company B by 2010. By 2015, Company C’s waste production had reached a peak of 10 tonnes, making it the largest waste producer among the three.