Use the Following Figure to Answer the Question

question 35

Multiple Choice

Use the following figure to answer the question. Based on the information provided, which of the following contains the largest source or pool of nitrogen?

• A) industrial nitrogen fixation
• B) nitrogen lost to the atmosphere
• C) internal nitrogen cycling in the oceans
• D) nitrogen fixation by bacteria

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Definitions:

One-To-Many Relationship

A database relationship where a single record in one table is related to multiple records in another table.

Common Field

A field that is present in two or more database tables, used as a link to join tables in queries or reports.

Query Design Grid

A graphical tool in database software that helps users visually construct queries by specifying fields, conditions, and sorting orders.

Field Selector

A tool or feature in database and spreadsheet software that allows users to choose which fields to display or use in a particular view or operation.