Some Planktoic Cyanobacteria Have the Ability to "Fix" Which of the Following

question 13

Multiple Choice

Some planktoic cyanobacteria have the ability to "fix" which of the following elements thus having a fertilizing effect on the marine environment similar to the ability of the land plants legumes?

• A)Oxygen
• B)Helium
• C)Hydrogen
• D)Nitrogen

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Definitions:

Mortgage-Backed Security

A claim on payments made on the many mortgages bundled into this financial instrument.

Monthly Payments

Regular payments made monthly, often in the context of loans or mortgages, covering interest and possibly part of the principal.

Dual Banking System

A regulatory framework in which banks are chartered and supervised at both the state and federal levels.

State Banks

Financial institutions that are chartered by a state in the United States to provide banking services.