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Desertification leads to decline in _____________.

  • A.Industrial productivity
  • B.Agricultural productivity
  • C.Biological productivity
  • D.Human productivity

Answer: C

Desertification leads to a decline in biological productivity.

The passage opens by defining desertification as a decline in the biological productivity of an ecosystem, leading to total loss of productivity. Agricultural, industrial and human productivity are not what the definition names; the loss of food, fodder and fuel-wood yields comes later in the passage as a consequence.

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