In Extremely Acid Soils (PH 3

question 42

True/False

In extremely acid soils (pH 3.0 to 4.0)most of the Al³⁺ and H⁺ ions are bound tightly by organic matter and silicate clays and are not readily exchangeable.

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Demographic Variables

Characteristics of populations, such as age, race, gender, income, and education, used in research and marketing to segment and analyze populations.

Age

A demographic factor referring to the length of time that an individual or entity has been alive or in existence, often considered in marketing, social studies, and human resource management.

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