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"Human with Feline Head" discovered in Hohlenstein-Satdel, Germany is carved from _____.
The transitional period known as the _____ occurred when Europe became climatically, geographically and biologically much as it is today.
The 1880 Lisob Congress on Prehistoric Archeology dismissed the cave paintings of _____ as forgeries.
Agriculture and stock raising became humankind's chief source of food during the _____ period.
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