What Conditions Are Considered to Be Necessary for a Planet

question 20

Multiple Choice

What conditions are considered to be necessary for a planet to be able to generate an intense magnetic field?

• A) ionized and electrically conducting layer in its atmosphere
• B) electrically conducting material in its interior and slow rotation because rapid rotation will destroy a magnetic field
• C) solid iron core into which a magnetic field was induced early in the planet's history
• D) relatively rapid rotation and electrically conducting material in its interior

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Definitions:

Nonrelatives

Individuals who are not part of one's family by birth, marriage, or adoption.

Common-Law Marriage

A marriage-like relationship that is recognized by law after partners live together for a certain period of time and present themselves as a married couple, without a formal ceremony.

Blood Tests

Laboratory analyses performed on a blood sample to evaluate general state of health, detect infections, or diagnose diseases.

Living Together

The situation in which two or more people, not necessarily related by blood, marriage, or legal ties, share a household and living arrangements.