TF阅读真题第821篇Using Animal Bones to Determine Climates

TF阅读真题第853篇Climate and the Ancient Sahara

TF阅读真题第864篇The Younger Dryas Event

TF阅读真题第704篇Air-Breathing Fishes

TF阅读真题第736篇Environmental Impact of the Anasazi

TF阅读真题第768篇Martian Volcanoes

TF阅读真题第800篇Ocean Currents

TF阅读真题第732篇Viral Plant Parasites

TF阅读真题第869篇Temperate Plant Phenology

TF阅读真题第683篇The Solnhofen limestones and Archaeopteryx