Which type of soil has a thicker O-horizon; Histosols (wetland soils) or Laterite (Tropical rainforest soils)?

HISTOSOLS

Explanation:HISTOSOLS are soils which are very rich in organic materials especially at the upper layer,this type of soils contains decomposing materials which helps to add the organic constituents of such a soil. It can be found in the following states of the United States of America in large quantities ,Florida, Michigan, Minnesota,Wisconsin,and Alaska. Saprists a type of HISTOSOL support natural vegetation and are used as a habitatfor wildlife.

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