If a ship towing a magnetometer passes over a piece of crust with a "normal" polarity,what will the magnetic anomaly look like?
A)The magnetic anomaly will be greater than Earth's.
B)The magnetic anomaly will be lower than Earth's.
C)The magnetic anomaly will exactly match Earth's.
D)The magnetic anomaly will be exactly zero.

Question

Quizplus · Accepted Answer

When a ship towing a magnetometer passes over a piece of crust with "normal" polarity, the magnetic anomaly will be greater than Earth's because the crust's magnetic field adds to Earth's magnetic field, resulting in a positive anomaly.

If a Ship Towing a Magnetometer Passes Over a Piece