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Baltimore and the Northeast receive high amounts of snowfall. These areas use road salt to help melt the snow and ice.
Students predict the effect of salt on tomato plants.
Students learn about the impact of salt in various ecosystems.
Each city has its own water supply, but different water supplies can be affected by the same factors.
What is the best way to represent the data in order to compare different data sets?
What do our conclusions about Baltimore mean for our local water supply?