While researching a topic, a student has taken the following notes:
- The Clovis First hypothesis proposes that ancient humans known as Clovis were the first to populate North America.
- The Clovis arrived around 13,000 years ago.
- Charred baskets found at the Meadowcroft site in Pennsylvania date to approximately 14,500 years ago.
- Stone tools found at the Sand Creek site in Texas date to approximately 16,540 years ago.
- These items support the idea that humans were present in North America before the Clovis population arrived.