What gives Earth its magnetic field? Group of answer choices

Convection of hot liquid metal within the outer core

Movement of continental plates on the crust

Extreme pressure at lower levels of the mantle

Vibration of metals within the inner core

The magnetic field of Earth is caused by currents of electricity that flow in the molten core. These currents are hundreds of miles wide and flow at thousands of miles per hour as the earth rotates.

Explanation:

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