What is a bird’s ‘gizzard’?
- 0 explanations
- General Science (difficulty 2) set 2
How many inches to a cubit?
- 0 explanations
- General Science (difficulty 3)
How many brains does a leech have?
- 0 explanations
- General Science (difficulty 3)
How many years is 1,000,000 hours?
- 0 explanations
- General Science (difficulty 3)
What is the speed of light?
- 0 explanations
- General Science (difficulty 3)