If Gross Primary Productivity (GPP)is 120 Units Per Day,and the Respiration

question 62

Multiple Choice

If gross primary productivity (GPP) is 120 units per day,and the respiration rate (R) of primary producers is 30 units per day,net primary productivity (NPP) is _______ units per day.[Note: Use the formula NPP = GPP - R.]

• A) 4
• B) 30
• C) 90
• D) 120
• E) 150

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Definitions:

Function Properly

To function properly means to operate or perform as intended or expected, usually referring to machines, systems, or organs within living organisms.

System Reliability

The measure of a system's ability to perform its required functions under stated conditions for a specified period of time.

Probability

A measure of the likelihood of a specific event or outcome, expressed as a number between 0 and 1.

Independent

Not influenced by or dependent on another variable, often referred to in the context of independent variables in statistical analyses.