How a magnetic reversal might impact human activities on Earth.

Read the article titled “Lost in Migration: Earth’s Magnetic Field Overdue a Flip” located at http://www.reuters.com/article/2012/10/03/us-science-earth-magneticfield-idUSBRE8920X620121003 (Links to an external site.). Read the article titled “Earth’s Inconstant Magnetic Field” located at http://www.nasa.gov/vision/earth/lookingatearth/29dec_magneticfield.html (Links to an external site.). a) Describe how the Earth’s magnetic field is generated, and how it has changed throughout Earth’s history. b) […]

 

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