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Answer: The Living Root Bridges result from human knowledge working with living roots to solve a practical problem. Their wonder lies in indigenous engineering and growth. Magnetic Hill is a visual effect created by the alignment of slopes and horizon. One shows people working with nature; the other shows landscape affecting perception.
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Answer: The writer often begins with a surprising question or vivid description, such as a disappearing sea or gravity-defying road. After creating curiosity, the chapter supplies an explanation such as tides, optical illusion, bioluminescence or meteorite impact. The explanation deepens rather than removes the wonder.
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Answer: Chandipur directly fits the unit’s mystery theme because visitors can watch the sea seem to vanish. The playful hide-and-seek comparison creates wonder, while ebb and high tide provide the natural explanation. It summarises the chapter’s surprise-then-explanation pattern.