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പരിസ്ഥിതിയുടെ പിതാവ് എന്നറിയപ്പെടുന്നത് ആര് ?

Aയൂജിൻ. പി. ഓഡും

Bഅലക്‌സാണ്ടർ ഹംബോൾട്ട്

CR.D. മിശ്ര

Dറെയ്‌ച്ചൽ കഴ്‌സൺ

Answer:

B. അലക്‌സാണ്ടർ ഹംബോൾട്ട്


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