There could be several reasons. It could have been ill and couldn't stand anymore, or it could have fallen from a height and got seriously injured. Without more details, it's difficult to determine exactly.
The cartoon dog might be dead with legs in the air because of a dangerous situation it faced, like being hit by a vehicle or having a fight with another animal. But we need more info to know for sure.
It could be that the cartoon dog is doing some kind of acrobatic move, which causes its legs to be in the air. Or perhaps it's being tossed or lifted by something or someone.
Maybe it's having fun or trying to catch something. It could just be showing off its agility!
The reason for the cartoon dog sniffing the air might be that it's looking for its owner's smell, or it could be responding to some new smell in the environment that has piqued its interest.
Maybe it's trying to get a better view or show off its strength.
It could be that the dog is playing or imitating something it saw. Sometimes animals do strange things just for fun or out of curiosity.
Maybe it's for a unique artistic style or to create a special effect. It could make the character stand out.
It could be to give the dog a more human-like quality and add an element of surprise or charm. Maybe it helps tell the story in a special way.
Maybe it's just the way the artist designed it to make the dog look cute and unique.
Maybe it's just for fun or to show that it's a unique and special dog.
Often, such a cartoon is made to be funny and unexpected. It might also symbolize something unusual or special about the dog's character or situation. Maybe it's part of a story with a deeper meaning.