why are some soils colored red while others are black?
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why are some soils colored red while others are black?
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Answer:
Soil color is produced by the minerals present and by the organic matter content. Yellow or red soil indicates the presence of oxidized ferric iron oxides. Dark brown or black color in soil indicates that the soil has a high organic matter content. ... The presence of other minerals can also affect soil color
Explanation:
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Answer:
because of the gravity of the earth
Explanation:
Soil color is influenced by its mineral composition as well as water and organic contents. For example, soils high in calcium tend to be white, those high in iron reddish, and those high in humus dark brown to black. ... For example, under anaerobic waterlogged conditions, iron oxides occur primarily in the ferrous state.