1) What makes a dog a great animal for detecting scents? How do they compare to humans in
their ability to detect scents?


Answer :

Answer:

Dogs devote lots of brain power to interpreting smells. They have more than 100 million sensory receptor sites in the nasal cavity as compared to 6 million in people, and the area of the canine brain devoted to analyzing odors is about 40 times larger than the comparable part of the human brain.

Explanation:

How do I explain this? Just read it out in my head and wrote it here.