To Detect Trends in Primary Productivity Related to Climate Change

question 38

Multiple Choice

To detect trends in primary productivity related to climate change, scientists need ________ years of global data, such as can be obtained from ocean color satellites.

• A) 10 to 15
• B) 20 to 40
• C) 30 to 50
• D) more than 100

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Definitions:

Total Utility

The overall contentment derived from the consumption of a specific number of goods or services.

Utility

The complete fulfillment experienced when consuming a product or service.

Marginal Utility

The extra pleasure a customer receives from consuming an additional unit of a product or service.