How has the discovery of 5,300-year-old ötzi, the iceman, scientists in their knowledge? a- ötzi, the iceman, was as old as previously thought.
b- ötzi, 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.

What makes fort sill historically unique among other regional military installations? a. it is the site where seven major commanders of us military efforts were trained. b. it houses the largest explosive weapons factory in the united states. c. it specializes in training soldiers to preserve the cultural artifacts of nations invaded by the us military. d. it is the oldest functioning installation in oklahoma.