They are related because formal properties are how you apply sensory properties. They are the choice and arrangement of the elements of art, or sensory properties
Answer: Option 2: Stubby was a stray that had proved himself in battle.
Explanation: It makes the most sence based on the short story. Also they asked why they took him on the battlefield, not why the kept him in general.
Answer:
Quincunx
<em>Hope this helped!</em>
Vivaldi you can tell because he had fiery red curly hair.