Disappearing frogs - Kerry M. Kriger

توضیحات:

View full lesson: http://ed.ted.com/lessons/disappearing-frogs-kerry-m-kriger Frogs (and amphibians in general) are in danger -- worldwide, nearly one-third ...

لغات کلیدی:

Kerry Kriger save the frogs frog, climate change nature, Simon Ampel, TED TED-Ed TED Ed TEDEducation

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