The U.S. federal system consits of a national government and what other government level
regional level
*kicks down the door*BLITZKRIEG!!!!
chur answer would be B
Answer:
Domestication
Explanation:
During the Paleolithic age, dogs domesticated for the first time. Dogs serve as pets and companions. All dogs descended from wolves that diverged some 15,000 to 40,000 years ago that are less aggressive toward humans.
The large variety of dogs that exist today have different breeds developed by breeders who wanted to establish specific features in dogs.
