Why Does Mars No Longer Have a Magnetic Field

question 56

Multiple Choice

Why does Mars no longer have a magnetic field?

• A)Giant impacts slowed the planet's rotation.
• B)Its core cooled and the dynamo effect shut off.
• C)Mars does not have a dense core.
• D)The thin atmosphere can't protect the planet from the solar wind.

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Definitions:

Major Product

The substance that is formed in the greatest amount during a chemical reaction, indicating the most favored pathway.

Boiling Point

The temperature at which a substance transitions from the liquid phase to the gas phase under atmospheric pressure.

Cis-

A prefix that indicates substituents are located on the same side of a double bond or ring structure.

Trans-hex-3-ene

A geometric isomer of hex-3-ene with the two substituents opposite to each other across the double bond, affecting its chemical properties and reactivity.