
Deserts quiz
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Which desert's name is Arabic for 'desert'?
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More questions about Deserts
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
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Which rainforest is fertilized by dust from the Sahara?
Answer: Amazon
Why: That dust brings about 22,000 tons of phosphorus a year, roughly what the Amazon loses to rain and floods.
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Why is the Sahara so dry?
Answer: Sinking air
Why: Air that rains out over the equator sinks again near 30° north, building high pressure that keeps clouds away.
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Why did the Sahara turn green about 10,000 years ago?
Answer: Orbital changes
Why: Sunnier northern summers strengthened the West African monsoon, which carried rain deep into the Sahara.
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Which sea's dried-up bed became a new desert after 1960?
Answer: Aral Sea
Why: Soviet planners diverted the Amu Darya and Syr Darya, the rivers that fed it, to irrigate farms, above all cotton.
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How long is Africa's planned Great Green Wall?
Answer: About 8,000 km
Why: Despite the name, it is not one line of trees but a patchwork of restored farms, grasslands and woodlands.
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Whose mummies in the Atacama are older than Egypt's?
Answer: Chinchorro
Why: The Chinchorro mummified men, women and children alike, not only a ruling elite.