Food Security and Climate
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Questions and Answers

What is the primary cause of desertification according to the text?

  • Overgrazing (correct)
  • Drought
  • Erosion
  • Global warming

What is the effect of the Green Wall of China on the annual desert land in China?

  • Decreased by 1980 square km (correct)
  • Remained constant
  • Increased by 10% annually
  • Increased by 1980 square km

What is the name of the proposed wall to combat desertification in Africa?

  • African Desert Barrier
  • Desertification Defense
  • Green Wall of Africa (correct)
  • Sahara Wall

What is the role of managed grazing in combating desertification?

<p>It reverses desertification (A)</p> Signup and view all the answers

What is the primary driver of the formation of Horse latitude deserts?

<p>Descending cold dry air masses (D)</p> Signup and view all the answers

What is the result of the orographic effect on the windward side of a mountain range?

<p>Moist air (D)</p> Signup and view all the answers

What is the name of the process by which plants become more dominant in a region due to climate change and other factors?

<p>Woody plant encroachment (D)</p> Signup and view all the answers

What is the primary goal of soil restoration in combating desertification?

<p>To provision water (B)</p> Signup and view all the answers

What is the impact of the Green Wall of Africa on the environment?

<p>It has reduced land degradation (D)</p> Signup and view all the answers

What is the primary factor that determines which organisms can live in an ecosystem?

<p>Abiotic factors (C)</p> Signup and view all the answers

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