Choose the word that best completes each sentence.
Historians wanted to understand when Ötzi lived, so they used data from
DNA analysis
Photographs
Radiocarbon dating
Historians were curious about Ötzi's clothing. Ötzi was wearing fur. To identify the type of fur, historians used data
from
A chart of different furs
DNA analysis of the fur cells
DNA analysis of Ötzi’s cells
Historians wondered about Ötzi's health. They learned he had heart disease. They discovered this from data
collected by
Radiocarbon dating of heart cells
DNA analysis of Ötzi’s cells
DNA analysis of the food he ate