why are dogs used by police for tracing criminals
Answers
Answer:
Tracking refers to a dogs ability to detect, recognize and follow a specific scent. Possessing heightened olfactory abilities, dogs are able to detect, track and locate the source of certain odours. A deeper understanding of the physiological mechanisms and the phases involved in canine scent tracking has allowed humans to utilize this animal behaviour in a variety of professions. Through domestication and the human application of dog behaviour, different methods and influential factors on tracking ability have been discovered. While tracking was once considered a predatory technique of dogs in the wild, it has now become widely used by humans.
Answer:
because they a power to smell prefectly... and once they smell they did not forget it... and when they recognise the same smell anywhere they express that it is criminal