The formation of soils is a continuous process influenced by:

Climate
Parent material
Topography
All of the above

The correct answer is D. All of the above.

Soil is a complex material that is formed by the interaction of five factors: climate, parent material, organisms, time, and topography.

  • Climate: The climate of an area affects the rate of weathering, which is the process by which rocks and minerals are broken down into smaller pieces. The type of vegetation that grows in an area is also influenced by climate.
  • Parent material: The parent material is the material from which the soil is formed. It can be rock, sediment, or organic matter.
  • Organisms: The organisms that live in the soil, such as bacteria, fungi, and animals, help to break down the parent material and create soil.
  • Time: Soil formation is a slow process that takes thousands of years.
  • Topography: The topography of an area, such as the slope of the land, affects the drainage of the soil and the amount of water that is available for plant growth.

The formation of soils is a continuous process that is influenced by all of these factors. The relative importance of each factor can vary depending on the specific location.

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