A ________ occurs when an iron-rich fluid in the core is electrically charged and flowing, which generates a magnetic field.

Question

Quizplus · Accepted Answer

A geodynamo is a natural mechanism that generates a magnetic field in the Earth's core through the movements of an electrically charged and flowing iron-rich fluid. This magnetic field is what creates the Earth's magnetosphere, which protects us from harmful solar radiation and cosmic rays.

A ________ Occurs When an Iron-Rich Fluid in the Core