Question:
About a billion years
Similar Crossword Questions:
- One billion years (Var.)
- Billion years, to a geologist
- A billion years, in geology
- A billion years
- Division of about one billion years
- A billion years, in astronomy (Var.)
- One billion years, in astronomy
- Billion years, easily
- A billion years, in astronomy
- One billion years
- A billion years, to Hubble
- A billion years, geologically
- Billion years
- A billion years, to geologists
- One billion years, geologically
- A billion years (Var.)
- One billion years, in geologic time
- One billion years to Hubble
- One billion years, in geology
- Billion years (Var.)
- Genesis man who lived 239 years
- Sum of all years?
- "The Wonder Years" nickname
- Years of Caesar's reign
- Sophs., two years later