How Many Free Trade Zones Are There in the United

question 21

Multiple Choice

How many free trade zones are there in the United States?

• A)Less than 50
• B)Less than 100
• C)About 260
• D)More than 412
• E)About 310

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Definitions:

Nitrification

A microbiological process by which ammonia is oxidized to nitrate ions, an essential step in the nitrogen cycle.

Nitrogen Fixation

The process by which atmospheric nitrogen is converted into a form usable by plants, often facilitated by bacteria.

Assimilation

The process by which living organisms integrate nutrients from their environment into their own biological processes.

Assimilation

The process by which living organisms integrate nutrients from their environment to carry out biological functions.