How has the discovery of 5,300 year old Otzi, the iceman, helped scientist in their knowledge? A)Otzi the iceman was as old as previously thought B)Otzi the iceman existed at a time when the climate was warm C)Precise knowledge about his food and clothing is available. D)humans from that period are exactly same as modern humans.

  consider  the  following scenario,  then describe  how  you might conduct  a  study using  ansrs,  convenience sample, and a  voluntary response sample.  you  are  interested  in  parents'  opinion  of the  war  in  iraq.  your population  is  parents  of  high school students.  your question  is, "do you  believe that the  war  in 

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