A low pitch sound example would be like a crocodile. They can produce sound so low for the human ear to hear. Thunder can also produce exceptionally low pitched sounds that are felt much as they are heard.
Antonyms for "delicate" include: sturdy, robust, strong, indestructible .
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Note: These are words that come to mind.
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B. She heals the wounded with her potion given by Aslan.
Teens shouldn't drive because they are very imature and distracted.