The Oxygen Content of Air at Sea Level Is Approximately

question 54

Multiple Choice

The oxygen content of air at sea level is approximately

• A) 21 percent.
• B) 78 percent.
• C) 0.04 percent.
• D) 0.96 percent.
• E) 100 percent.

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A term referring to the method or mode in which information is displayed or presented in software applications.

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A command or option in software applications used to add new data or elements into a document or file.

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The default state or appearance of a cursor on a computer screen, typically an arrow.

I-beam Pointer

The shape of the cursor on a screen that indicates where text can be inserted.