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The line graph shows the poluution rate of a certain lake from 1950 to 2000. Use the graph to answer the question. Percentage of pollution by Volume (+ SP) 4.0% 3.0% 2.0% 1.0% 0.0% 1950 1960 1970 1980 1990 2000 Find an estimate for the percent of pollution by volume of the lake in 1960. A. 3% OB. 2.5% OC. 2% D. 1%

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The line graph shows the poluution rate of a certain lake from 1950 to 2000 Use the graph to answer the question Percentage of pollution by Volume SP 40 30 20 1 class=

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