How can soil erosion lead to desertification? It reduces the level of organic matter It promotes flooding that destroys vegetation It promotes salinization that destroys soil structure

Biology: The Dynamic Science (MindTap Course List)
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ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter35: Plant Nutrition
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How can soil erosion lead to desertification?

  1. It reduces the level of organic matter
  2. It promotes flooding that destroys vegetation
  3. It promotes salinization that destroys soil structure

 

Which of the following is not a factor that may lead to urban sprawl?

  1. Pollution
  2. Immigration
  3. Overpopulation

 

Which statement is NOT true about soil salinization?

  1. Soil dehydrates due to decrease in accumulation of water underground.
  2. Starts by attempting to wash the salts out of the topsoil by pumping more water.
  3. Results to the damage and killing of plants as saline water surrounds its deep roots.

 

Which would most likely happen if too much nutrient entered a freshwater ecosystem?

  1. Algae will decrease, leaving few food resources, for fish.
  2. Nutrients would sink to the bottom, increasing soil deposition.
  3. Algae breakdown lowers dissolved oxygen, causing fish to suffocate.
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