Final answer:
This question is about defining certain words in English.
Step-by-step explanation:
Imbedded: to fix (an object) firmly and deeply in a surrounding mass. Lean-to: a shack or shed supported at one side by trees or posts and having an inclined roof. Pulverized: reduced to fine particles. Quills: the hollow sharp spines of a porcupine, hedgehog, or other spiny mammal. Rivulets: a very small stream. Ruefully: in a way that expresses sorrow or regret, especially in a wry or humorous manner.
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