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6) 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.(250 words)

TopicPart of static series under the heading – “Gravitation and geo-magnetism

6) 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.(250 words)

 

Key demand of the question

The question is quite straightforward in its demand. Answer each part accordingly.

Structure of the answer

Answer the parts of the question in sequence of how they are asked. Keep your answer brief and to the point. Discuss the impacts of reversal of Earth’s magnetic field like – During switching, harmful solar winds might penetrate the magnetic field, causing damage to life on Earth. This is the key point, others you can think of and add.

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