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Ice-wedges form netlike polygons on the surface of the tundra, aerial photo of polygonal peat platea
A partially submerged alligator displaying a typical ambush position
Jaundice. Photograph of an individual with liver disease, evidenced by the yellowing of the sclera o
Primates exhibit prolonged life histories, spending more time in each stage of life than most other
In middle childhood, children spend increasing amounts of time with peers and friends.
Greet a First-Time Client With a Firm Handshake.