D. All of these is the correct answer
1) To support themselves. 2) To support family and children( this includes buying necessities like food,water, and clothes). 3) They have to work in order to survive because other else they would be homeless, etc.
When I think "dog" I think of a Husky, for some reason the physical features of a Husky remind me of a dog because they are so sharp and well built. The dog is certainly not a bird due to the fact that, it does not have wings, feathers, a beak, and it can't fly.
The lungs and respiratory system allow oxygen in the air to be taken into the body, while also letting the body get rid of carbon dioxide in the air breathed out.
