6. (02.03 MC)

Which of the following statements proves that scientific knowledge changed due to the discovery of Ötzi the Iceman? (3 points)
It justified the existence of humans on Earth several billion years ago.
It showed that technology is incapable of gathering correct data for analysis.
The discovery proved that fossils provide unreliable information about the past.
The fossil provided new evidence about human lifestyles thousands of years ago.