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I will help what is the question
Answer:
life is best whenit is not complicated.
i hope i can help
Answer:
What is a flying division? They are airplanes that can be quickly mobilized to bomb or clear areas.
I don't know any of the other similes because I have no idea what poem you read but here is the answer to what growing old like an onion could convey:
Onions are layered, as they grow more and more layers grow. This could mean that as Rachel grows, she gains more layers of knowledge and experiences and they keep layering over time as she grows.