Recent Evidence Suggests That Mars Once Had a Global Magnetic

question 74

Multiple Choice

Recent evidence suggests that Mars once had a global magnetic field. Assuming this is true, which of the following could explain why Mars today lacks a global magnetic field like that of Earth?

• A)Mars is too far from the Sun to have a global magnetic field.
• B)Mars rotates much slower than the Earth.
• C)The Martian core is made of rock, while Earth's core is made of metal.
• D)Mars's interior has cooled so much its molten core layer no longer undergoes convection.

---

Definitions:

Cross-Cultural Variations

The differences in norms, behaviors, beliefs, and practices among cultures around the world.

Analytic Cognitive Style

A way of thinking that emphasizes logical analysis, precision, and systematic evaluation of information.

Holistic

An approach that emphasizes the importance of the whole and the interdependence of its parts.

Confirmation Bias

The tendency to search for, interpret, favor, and recall information that confirms one’s preexisting beliefs or hypotheses.