I love dogs! They were domesticated over thousands of years and are now bred selectively for various attributes.
How many different dogs breeds are there in the world?
Not sure because although there is a genetic difference between domestic and wild dogs, they all fall into breed categories. Do you like dogs?
I love them! They are the greatest! How long do dogs typically live?
Life spans vary according to breed and size with the larger dogs living shorter life spans, oddly. Ten years is tops for the large breeds usually.
That's interesting.  What country do you think has the highest percentage of dog owners?
Pet ownership is second only to gardening in the U.S. as the most popular hobby. I'd guess the U.S.
What are typically the types of dogs used as service dogs?