science
Grade-4-
Easy
Question
_______ creates a magnetic field around the earth.
- Crust
- Inner core
- Mantle
- Outer core
Hint:
The magnetic field around the earth's crust is due to the outer mantle.
The correct answer is: Outer core
- The outer core which has convection converts the kinetic energy created by heat into electrical and magnetic energy.
- The liquid around the core has ions that get leveled up on solidification.
- So the outer core is responsible for the magnetic field around the earth's crust.
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