Biology Forums - Study Force

Desertification is irreversible. Indicate whether the statement is true or false.

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Q. 2 - Windblown African dust is a nuisance, but is not a health problem. Indicate whether the statement is true or false.

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Q. 3 -

Replacement of native vegetation in semiarid regions with cultivated crops helps reverse the effects of
  desertification. Indicate whether the statement is true or false.

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Q. 4 - The major causes of desertification are overgrazing and trampling of soil by livestock. Indicate whether the statement is true or false.

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Q. 5 -

The rapid growth of large desert cities, such as those in the southwestern U.S., actually helps to reverse
  desertification by bringing in water from wells and aqueducts Indicate whether the statement is true or false.

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Q. 6 - Death Valley is an example of a rain-shadow desert. Indicate whether the statement is true or false.

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