What Is the Approximate Ratio of the Number of Oxygen

question 91

Multiple Choice

What is the approximate ratio of the number of oxygen to nitrogen molecules in Earth's lower atmosphere?

• A) 1 oxygen molecule to every 4 nitrogen molecules
• B) 4 oxygen molecules to every 1 nitrogen molecule
• C) equal numbers of oxygen and nitrogen molecules
• D) only 1 oxygen molecule to every 100 nitrogen molecules, or about 1%

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Definitions:

Credit Unions

Cooperative financial institutions owned and controlled by their members, providing savings accounts, loans, and other financial services to members.

Depository Financial Institution

A financial institution legally allowed to accept monetary deposits from consumers, such as banks and credit unions.

Secondary Market

Collection of financial markets in which previously issued securities are traded among investors.

Debenture

Unsecured corporate bond.