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Cracked desert ground, ALMA radio telescopes, snow-covered Andes, Chuquicamata open-pit mine, lithium salar and carpet of wildflowers under starry sky
Photo: QuizFury
NatureMedium

Extreme Nature: The Atacama Desert

ALMA perched at 5,000 m on the Chajnantor plateau, the Salar holding a quarter of the world's lithium, stations with no rain for decades: test what you really know about the planet's driest desert.

10

Questions

2

Minutes

Tip: Use keys 1-4 to answer quickly

The 10 quiz questions

Question 1 : In which country is the Atacama Desert located?

Possible answers:

  • Chile
  • Argentina
  • Peru
  • Bolivia

Explanation: The Atacama lies mainly in northern Chile, stretching about 105,000 km² along the Pacific coast.

Question 2 : The Atacama is considered the non-polar desert that is...

Possible answers:

  • The hottest
  • The driest in the world
  • The largest
  • The oldest

Explanation: Some weather stations have recorded zero rainfall for decades. Annual precipitation in parts of the desert is below 1 mm.

Question 3 : Which mountain range borders the Atacama to the east?

Possible answers:

  • Rocky Mountains
  • Himalayas
  • Andes
  • Alps

Explanation: The Andes block moisture flowing from the Amazon, helping to drive the desert's extreme aridity.

Question 4 : ALMA, one of the world's largest radio telescopes, sits on...

Possible answers:

  • Chajnantor plateau (Atacama)
  • Hawaii
  • Canary Islands
  • Central Chile

Explanation: ALMA (Atacama Large Millimeter Array) operates at 5,000 m on the Chajnantor plateau, taking advantage of dry air and high altitude.

Question 5 : Which mineral, mined heavily in the Atacama, is essential for lithium-ion batteries?

Possible answers:

  • Copper
  • Cobalt
  • Nickel
  • Lithium

Explanation: The Salar de Atacama holds about a quarter of the world's lithium reserves, extracted from brines for smartphone and EV batteries.

Question 6 : Which ocean borders the Atacama Desert?

Possible answers:

  • Atlantic
  • Pacific
  • Indian
  • Antarctic

Explanation: The Atacama runs along the Pacific coast. The cold Humboldt Current limits evaporation and reinforces the extreme aridity.

Question 7 : Why is the Atacama considered one of the best astronomy sites in the world?

Possible answers:

  • Dry air and clear skies at altitude
  • Proximity to the equator
  • Low light pollution only
  • Tectonic stability

Explanation: A rare combination: high altitude, dry air, over 300 clear nights per year, and low light pollution. ALMA, the VLT and the future ELT are all based there.

Question 8 : Which tropic crosses the Atacama Desert?

Possible answers:

  • Tropic of Cancer
  • Equator
  • Tropic of Capricorn
  • Antarctic Circle

Explanation: The Tropic of Capricorn cuts through the southern part of the desert, placing the Atacama in the belt of major subtropical deserts.

Question 9 : Which is one of the largest open-pit mines in the world, located in the Atacama Desert?

Possible answers:

  • Chuquicamata
  • Bingham Canyon
  • Grasberg
  • Escondida

Explanation: Chuquicamata, a copper mine worked since the early 20th century, is one of the largest open-pit mines in the world. Chile is the world's top copper producer.

Question 10 : Which rare phenomenon turns parts of the Atacama into carpets of flowers after exceptional rainfall?

Possible answers:

  • Mirage
  • Supermoon
  • Southern lights
  • Flowering desert

Explanation: The "flowering desert" (desierto florido) appears during El Niño events, when unusual rains trigger hundreds of dormant plant species to bloom.

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