Guano

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Historical Value

Guano was a highly valued resource in the 19th century, almost as precious as gold.

Historians often note the 'guano boom' that enriched Peru's economy.

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Ecological Impact

Harvesting guano can disturb natural habitats, so its use is sometimes controversial.

Environmentalists argue against guano extraction from delicate island ecosystems.

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Slang Usage

In casual speech, 'guano' can refer to anything regarded as worthless or unimportant.

His ideas were dismissed as guano by the other team members.