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This activity has three story puzzles learners can solve to learn about life in the Arctic.

In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

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.

In this activity, learners investigate the food, water, and space needs of common livestock animals.