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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.
Mountains in the Sea
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In this 6-7 day investigation, learners begin with an introduction to seamounts that are present in the Gulf of Alaska.
Off Base
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In this activity, learners explore the factors that tend to resist changes in pH of the ocean and why the ocean is becoming more acidic.