Earth's Magnetic Field

question 13

Multiple Choice

Earth's magnetic field

• A) is variable, and it has phased to zero some nine times during the past 4 million years.
• 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:

Easement

A right granted to use the property of another for a specific purpose, such as right of way, without owning, possessing, or having any other title to the land.

Conveyance

The act of transferring ownership or interest in property from one party to another, typically through a legal document such as a deed or title.

Landlocked Properties

Properties that do not have direct access to a public road or thoroughfare, relying on easements for access.

Petitioning

The act of formally requesting something from an authority, typically through a written document.