Use the Following Figure to Answer the Question

question 21

Multiple Choice

Use the following figure to answer the question.

Consider the global nitrogen cycle depicted in the figure. What is the limiting portion of the cycle for plants?

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

---

Definitions:

Statement Of Cash Flows

A financial statement that shows how changes in balance sheet accounts and income affect cash and cash equivalents.

Financing Activity

Transactions and events where cash is raised for business purposes, including issuing equity, borrowing, and repaying loans.

Fixed Asset Acquisition

The process of purchasing fixed assets, like property, plant, and equipment, that are used over a long period in the operation of a business.

Times Interest Earned Ratio

A financial ratio that measures a company's ability to meet its debt obligations by comparing its income before interest and taxes to its interest expenses.