If You Were Studying the Nitrogen Cycle You Would Know

question 50

Multiple Choice

If you were studying the nitrogen cycle you would know that all of the following are true except:

• A)Nitrite is converted to nitrate by bacteria
• B)Plants can take in and use nitrogen from the air by using their leaves
• C)It requires a number of different types of bacteria
• D)Nitrogen is the most abundant gas in the atmosphere
• E)Bacteria convert ammonium in the soil to nitrite

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Definitions:

Multiple Regression Model

A statistical technique that uses multiple independent variables to forecast the outcome and determine the effect of each variable on the dependent variable.

Correlation

A statistical measure that expresses the extent to which two variables change together, ranging from -1 to +1.

Null and Alternative Hypotheses

The null hypothesis is a statement of no effect or no difference, and the alternative hypothesis is what we aim to support, indicating some effect or difference.

Multiple Regression Model

A statistical methodology that incorporates several explanatory variables to deduce the future value of a dependent variable.