To Avoid a Nitrate Depression Period When It Is Added

question 10

Multiple Choice

To avoid a nitrate depression period when it is added to a garden soil,about how many kg of nitrogen must be added to a load of grass clippings that contains 1000 kg of C and 25 kg of N?

• A)15
• B)35
• C)50
• D)75
• E)100

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Definitions:

Correlation

Correlation is a statistical measure that expresses the extent to which two variables change together. If the variables tend to increase and decrease in relation to each other, the correlation is positive; if one increases as the other decreases, it is negative.

Construct Validity

The degree to which a measurement device accurately measures the theoretical construct it is designed to measure.

Reliability

The consistency and stability of measurements or assessments over time.

Validity

The degree to which a tool, test, or measure accurately represents or measures what it claims to.