I'm gonna sell my dog

1. An ant's sense of smell is as powerful as dog's one.
2. The leading cause of death in China is respiratory disease.
3. The shallowest sea is Azov. It is 13 meters at its deepest.
4. Some asteroids have other asteroids orbiting them.
5. U.K. was the first country (1840) to issue stamps
6. A whip makes the crackling sound because it's tip breaks the speed of sound.
7. Crocodiles swallow stones to make them dive deeper.
8. A Michigan law states that a wife's hair is legally the husband's property.
9. In Delaware it is illegal to marry on a dare.
10. Venus is the only planet known to spin anticlockwise.