Question

Maximum life span of a dog in years is

• A. 5
• B. 10
• C. 15
• D. 20

Answer 1

Answer: (D)

20

Lifespan is the period from birth to death. The average life span of a dog is 15 to 20 years and the maximum is 20 years. Chihuahuas are the breed of dog with the longest lifespan. Dog are categorized as mammals and are viviparous.

So, the correct answer is option D.