Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> List two ways in which sense of smell in dogs are helpful for us?

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 1. Dogs have a great sense of smell and can help us detect unwanted things like bombs.
2. Dogs helps us in catching criminals with the help of its sense of smell.