After crashing his small plane on a deserted island, Dominic waited four weeks

to be discovered and rescued. Luckily, he was a capable outdoorsman, and in the
meantime he built a shelter and located food and water. What he wasn't prepared
for was the immense loneliness he felt when completely cut off from civilization.
When one day a curious young pig wandered into Dominic's camp, Dominic was
excited. He began establishing the animal's trust, and it responded immediately.
Dominic valued each moment they spent together.

How is the theme of the passage revealed?
The loneliness Dominic feels when cut off from civilization communicates the theme of interconnectedness.
Dominic's ability to quickly secure shelter, food, and water demonstrates the theme of man versus nature.
The budding connection between Dominic and the pig develops the theme of companionship as salvation.

The theme of the passage is revealed through the budding connection between Dominic and the pig, which develops the theme of companionship as salvation.