Which of the following factors does NOT affect the formation of soil?

The correct answer is landslides.

Key Points

 Soil formation is heavily dependent on the climate of a region.

• The speed of weathering of parent rock,
  • and thereby the mineral composition and
  • the concentration of organic matter,
  • topography,
  • biotic agents
  • temperature, and precipitation(Climate).
  • Parent Material.
• Temperature fluctuations are responsible for the faster physical weathering of rocks.
• Hence landslides are not a factor in soil formation.​

Additional Information

• Pedogenesis is the process of formation of soil regulated by the influence of place, environment, and history.
• Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that support life.
• The Pedosphere is the Earth's body of soil.