Correct spellings for ARCHAUN
- Archaea Archaea are single-celled organisms that are found in extreme environmental conditions such as hot springs and deep-sea hydrothermal vents.
- Archaean The Archaean era is the oldest recognized geological era and spans over 3 billion years.
- Archaic The archaic language used in classic literature can make it difficult for modern readers to understand.
- Archean The Archean era is believed to have begun around 4 billion years ago.
