Jarek Sklodowski

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Jarek Sklodowski
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Wie funktioniert eine Lunge

Wie funktioniert eine Lunge

trójkąt | e-matematyka

trójkąt | e-matematyka

Building an Eco-Column Grow plants and watch animals thrive in a mini ecosystem! The eco-column demonstrates how the natural filtering system works in an ecosystem, life science experiment. Visit bottle biology for a list of plants, animals, and activities for your mini ecosystem.

Grade: Building an Eco-Column Grow plants and watch animals thrive in a mini ecosystem! The eco-column demonstrates how the natural filtering system works in an ecosystem, life science experiment.