________ Matter (Particularly Humus)makes Soil Dark or Black

question 77

Short Answer

________ matter (particularly humus)makes soil dark or black.

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Definitions:

Scarce Resources

Resources that are limited in supply and cannot fulfill all human wants and needs completely, leading to the necessity of choices and priorities in their use.

Marginal Rate

Often refers to the marginal tax rate, which is the tax rate applied to an additional dollar of income.

Transformation

In an economic context, it refers to the process of changing inputs into outputs, often related to the production process in industries or economies.

Resources

Assets, materials, and inputs used by organizations or economies to produce goods and services.