Panamanian golden frogs aren’t just cute, little, and yellow. They’re also the national symbol of Panama. But they started to disappear about fifteen years ago. What’s killing them? Could it be a change in their habitat? What about pollution? Might it be a result of climate change? Follow a team of scientists working to save these frogs and protect frog populations worldwide in this real-life science mystery.
لغة الإنجليزية ● شكل PDF ● ISBN 9780761379836 ● الناشر Lerner Publishing Group ● نشرت 2011 ● للتحميل 3 مرات ● دقة EUR ● هوية شخصية 4753407 ● حماية النسخ Adobe DRM
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