Final answer:
The hair found in the young woman's hands is black, curly, and very abundant. It belongs to La Parisienne, the teenager buried in the 9,000-year-old grave discovered in Peru.
Step-by-step explanation:
The hair that was found in the young woman's hands is unusual because it is black and curly, with one curl springing down onto her forehead and others cascading down her neck and upper back. It is also described as being very heavy and abundant. The hair belongs to La Parisienne, the teenager buried in the 9,000-year-old grave discovered by Randy Haas in Peru.