Life in the Deserts

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Questions and Answers

What is the Sahara desert characterised by?

  • Low rainfall and extreme temperatures (correct)
  • Heavy rainfall and moderate temperatures
  • High altitude and abundant vegetation
  • Scanty vegetation and mild temperatures

In what continent is the Sahara desert located?

  • North America
  • Europe
  • Asia
  • Africa (correct)

How many countries does the Sahara desert touch?

  • 17
  • 8
  • 11 (correct)
  • 5

What does water mean to plants, animals, and people?

<p>Life (B)</p> Signup and view all the answers

What type of desert areas are discussed in the text?

<p>Desert areas with extreme temperatures (B)</p> Signup and view all the answers

What do cave paintings in the Sahara desert reveal about its past?

<p>Presence of rivers with crocodiles and diverse wildlife (D)</p> Signup and view all the answers

What is the primary reason for the transformation of the present-day Sahara desert from a lush green plain to a hot and dry region?

<p>Changes in climate conditions (B)</p> Signup and view all the answers

Which animal species are prominent in the Sahara desert?

<p>Camels, hyenas, and scorpions (D)</p> Signup and view all the answers

What activities are pursued by the Bedouins and Tuaregs in the Sahara desert?

<p>Nomadic livestock rearing and leather production (C)</p> Signup and view all the answers

What has been constantly transforming the Sahara desert in Algeria, Libya, and Egypt?

<p>Discovery of oil - a product in great demand worldwide (B)</p> Signup and view all the answers

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Study Notes

Sahara Desert Characteristics

  • The Sahara desert is characterised by its hot and dry climate.

Location and Extent

  • The Sahara desert is located in the continent of Africa.
  • The Sahara desert touches 11 countries.

Importance of Water

  • Water is crucial for plants, animals, and people to survive in the Sahara desert.

Types of Deserts

  • The text discusses two types of desert areas: hot and dry deserts like the Sahara, and cold deserts like the Gobi.

Sahara's Past

  • Cave paintings in the Sahara desert reveal that it was once a lush green plain.

Transformation of the Sahara

  • The primary reason for the transformation of the present-day Sahara desert from a lush green plain to a hot and dry region is climate change.

Sahara Wildlife

  • Prominent animal species in the Sahara desert include fennec foxes, dorcas gazelles, and addax antelopes.

Sahara Inhabitants

  • The Bedouins and Tuaregs in the Sahara desert pursue activities like nomadic herding, trade, and tourism.

Constant Transformation

  • Wind and water have been constantly transforming the Sahara desert in Algeria, Libya, and Egypt.

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