______ Bacteria Return Nitrogen to the Atmosphere by Converting Nitrates

question 70

Multiple Choice

______ bacteria return nitrogen to the atmosphere by converting nitrates to N₂.

• A)Nitrogen-fixing
• B)In nitrification,
• C)In denitrification,
• D)In transpiration,
• E)In respiration,

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Definitions:

Standard Error

A measure of the statistical accuracy of an estimate, indicating how much the sample mean is expected to vary from the true population mean.

Mean

The average of a set of numbers, calculated by dividing the sum of all values by the count of values, and used as a measure of central tendency.

Z-statistic

A type of standard score that represents the distance in standard deviations a data point is from the mean, used in significance testing.

Two-tailed Test

A statistical test that considers both directions of a possible effect, testing for the possibility of an effect in two opposite directions.