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Actually, the main pigmenting (coloring) agents in soils are organic matter, iron, and, to a lesser extent, manganese. When these agents are not covering the mineral grains, the natural color of the grains is visible. Colour is a simple method of classifying soil. Black/dark brown soil usually indicates the presence of decaying organic matter so is generally fertile. Pale brown/yellow soil often indicates that organic matter and nutrients are low and this generally means poor fertility and structure.he colour of the soil varies from one place to the other because soil is formed out of different types of rock . Since rocks are of different colours and textures , the colour of the soil varies from one place to another .
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that's more of a personal question but if u was answering that...
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1. save the environment, because we live in the environment and without it none of us would be alive and the environment is something that affect us all
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Build wind-powered pumps to use groundwater.
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i hope this helps
Conduction, idk if this is what you’re looking for but i hope this helps
