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Deserts

Deserts quiz

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Question 1 of 3Easy

Which desert's name is Arabic for 'desert'?

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Spaced repetition

More questions about Deserts

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

  1. 1 Easy

    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.

  2. 2 Medium

    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.

  3. 3 Hard

    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.

  4. 4 Easy

    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.

  5. 5 Medium

    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.

  6. 6 Hard

    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.

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