📚 Practice Mode
science & technology Online Quiz - 230
Learn at your own pace with hints and detailed explanations
1 / 19
Multiple Choice
A hopper balloon is a variation of the hot air balloon and can hold how many passengers?
- 1
- 2
- 4
- 10
science & technology Online Quiz - 230
Learn at your own pace with hints and detailed explanations
A hopper balloon is a variation of the hot air balloon and can hold how many passengers?