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Q.

Electrically charged particles from space traveling at speeds of several hundred km/sec can severally harm living beings if they reach the surface of the earth. What prevents them from reaching the surface of the Earth ?

A The Earth’s magnetic field diverts them towards its poles
B Ozone layer around the Earth reflects them back to outer space
C Moisture in the upper layers of atmosphere prevents them from reaching the surface of the Earth
D None of the statements (A), (B) and (C) given above is correct
Answer & Explanation
Option: [A]

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