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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.

In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.

This is an activity about turbidity, or the amount of sediment suspended in water.