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Composting
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In this environmental science activity, learners research what is essential for plant life and the necessary components of soil to support plants.
A Degrading Experience
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In this activity on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation.
Pollution Patrol
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In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.