GCEAgricultural ScienceSoil Science2020

Which of the following best describes the term 'soil catena'?

AA sequence of soil profiles developed from different parent materials in the same climate
BA sequence of soils developed from the same parent material under the same climate but differing in reliefCORRECT
CA vertical arrangement of soil horizons from surface to bedrock
DThe process of soil formation from weathered rocks over time
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Why the answer is B, and why the others tempt you.
A soil catena (or toposequence) is a sequence of soils that have developed from the same parent material under the same climate but differ in their characteristics due to variations in topographic position (relief) and drainage. The term was introduced by Milne (1935) in East Africa. Option A describes a climosequence, while C describes a soil profile.
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