Free and open educational resources for Afghanistan

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Structure of the Nephron

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Energy Sources

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The Respiratory System

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Animal Defense: Playing It Safe

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Types of Teeth

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Whales and Fish: Creatures of the Deep

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The Life Cycle of the Frog

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Circulatory System

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Flying to Survive - The Migration Cycle

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Interpreting Ecological Data

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Life Cycle - Butterflies & Moths

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Medicine Improves Over Time

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The Science of Sound

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Frog Life Cycle

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Genetics Practice Problems

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Bacteria

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Kidneys

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Trees

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Penicillin

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Pasteur and Lister

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Water Pollution