2. What do you understand by the term ‘geomagnetism’? What causes the earth to behave as a magnet? Has earth’s magnetic field changed in it’s geological past? Discuss its implications.
UPSC IAS 2021 Preparation - e-CLASSROOM LEARNING PROGRAM (e-CLP) 2021 – ADMISSIONS OPEN!! -> Click Here for More Information
Subscribe to IASbaba
