They can live pretty much anywhere in a house they aren't outside dogs because they are so small but they love going on walks and playing outside.
The pros and cons of an environment would be highly dependent on the type of environment in which you live. Living in a particular environment could also be good for one type of person, while it may be bad for another.
they live in a cold environment
they live on aircons
the best type would probably be a chihuahua that is a puppy
sed4esese
oceans
underground
A desert.
hello
Scorpions live in deserts and jungles.
They live in moist and dark environments.
they live on skull island