Yes, there can be more than one theme in a story. For example, a story about a young girl's journey to find her lost dog might also have themes of friendship and perseverance. The search for the dog is the main plot, but along the way, she might make new friends who help her, which brings in the friendship theme. And her determination not to give up in the face of difficulties shows perseverance.
Sure. In fact, it's quite common. A story might deal with themes like love and sacrifice simultaneously. Take the story of Romeo and Juliet. It has the theme of love between the two main characters, but also the theme of sacrifice as they are willing to give up their lives for each other.
Of course. For instance, a fantasy story could have the theme of good vs evil and also the theme of friendship. The characters' fight against the evil forces is often strengthened by their friendships.
Yes, they often do. Different aspects of a story or poem can touch on various themes. For example, a story might deal with love and friendship at the same time, or a poem could explore nature and mortality together.
Sure. Many novels have multiple themes. A novel can explore different aspects of human nature, society, and relationships all at once. It's like a complex tapestry where different threads (themes) are woven together. Take 'The Great Gatsby'. It has themes of the American Dream, love, and wealth. These themes interact and influence each other, adding depth to the story.