Which of These Is True Regarding Soil Humus

question 17

Multiple Choice

Which of these is true regarding soil humus?

• A)It is quickly broken down by microorganisms.
• B)It is a minor component of organic carbon in the soil.
• C)It is degraded very slowly over time.
• D)It is primarily inorganic in composition.
• E)It is a polymer of glucose.

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Definitions:

U.S. Presidents

Individuals who have held the office of the President of the United States, serving as the head of state and government.

Longitudinal Study

A research design that involves repeated observations of the same variables (e.g., people) over short or long periods of time, often many years.

Correlational Study

A research method that examines the extent to which two variables are related, without inferring a cause-and-effect relationship between them.

Random Assignment

A method used in experiments to place participants into different groups in a way that each participant has an equal chance of being in any group, minimizing biases.