-Based on the Experiment in the Accompanying Figure, Which of the Following

question 41

Multiple Choice

-Based on the experiment in the accompanying figure, which of the following are plausible reasons for the result?
I. No nutrients evaporate now that vegetation is absent.
II. Nutrients dissolve in the water running through the watershed.
III. Nutrients are attached to small particles of sand or clay that leave the watershed.
IV. Plant roots that held soil particles in place are no longer there.

• A) only I and III
• B) only II and IV
• C) only I, II, and IV
• D) only II, III, and IV
• E) only I, II, and III

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Definitions:

Point Estimate

A single value estimate for a population parameter derived from a sample.

Population Mean

The average value of a population's characteristics.

Standard Deviation

A statistical metric that quantifies the variation or dispersion of a set of data points from the mean.

Mean Content

The average value or quantity present in a given set of data or material.