Earth's Magnetic Field

question 144

Multiple Choice

Earth's magnetic field

• A) is variable, and it has faded to zero and returned to full strength with the polarity reversed.
• B) is constant in its intensity.
• C) remains a mystery as to its cause.
• D) is principally generated in the inner core.

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Definitions:

Vertically

In a direction or way that is perpendicular to the horizon; from top to bottom or bottom to top.

Insert Table

A function in software applications that allows users to add a table into a document, spreadsheet, or presentation to organize and present data systematically.

Content Placeholder

A tool in presentation and layout software that marks a location where content (text, images, videos) can be inserted.

Draw Table

A command in many word processors that allows users to create a table by specifying the number of rows and columns.