Evet, "Buz Devri" ve "Buz Çağı" aynı şeyi ifade eder12.
"Buz Devri" veya "Buz Çağı", Dünya'nın yüzey ve atmosfer sıcaklığının uzun süreli düştüğü, kıtasal, kutup ve alp buzullarının genişlediği dönemi tanımlar 45.
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