I explain how the earthrsquos geomagnetic field is created, Ask an Expert

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(i) Explain how the earth’s geomagnetic field is created? Hint: be sure to include thedirection of the earth’s current.

(ii) Why is Northern Canadabombarded by more intensecosmic radiation (solar wind) than Mexico is?

(iii) Why do astronauts keep to altitudesbeneath the Van Allen radiation belts when doing space walks?

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