Golden retrievers are more loyal, friendly, and smart than a pitbull, but on the other hand, Pitbulls are more protective, so it depends why you want the dog, if you want a guard dog than a pitbull would suit you, but if you want a companion dog then get a golden retriever, I would take the Golden retreiever.
An abstract noun is a noun that you can't feel, hear, taste, smell, and see. Like hope. A concrete noun is a noun that you CAN feel, hear, taste, smell, and see.
So the abstract noun in this sentence is not choir, but harmony.
hope it helps!
Answer:
it depends on the poem. each poem has its own style. some include alliteration, some onomatopoeia, or both! but some poems dont include any of these two.