Which of the following provides the best example artificial selection

Artificial selection has long been used in agriculture to produce animals and crops with desirable traits. The meats sold today are the result of the selective breeding of chickens, cattle, sheep, and pigs. Many fruits and vegetables have been improved or even created through artificial selection.

Explanation:

Around 30,000 to 40,000 years ago, humans began domesticating wolves. Nowadays, these domesticated animals are what we call dogs.

changeable lenses of different focal lengths allow light to enter the camera, which then forms the image on light-sensitive film" is the one among the following statements about working principle behind a basic still camera is true.