Dogs were probably first attracted to humans by the smell of our garbage. Nowadays, the government of the United States has a use for those powerful noses that is beneficial to all who fly in airplanes. A program in Texas trains dogs to smell bombs on planes and in passengers' luggage. Although other wild animals also have an excellent sense of smell, dogs are much easier to train because they are domestic animals that pay attention to humans. The partnership between dogs and a humans allows each to profit from the special skills of the other as they work together to save lives.
1. bags you carry your belongings in when you travel luggage.
2. trash garbage.
3. the people and institutions that rule and control a country government.
4. not wild domestic.
5. a close relationship often involving working together partnership.