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Question
Electrically charged particles from space travelling at speeds of several hundred km/sec can severely harm living beings if they reach the surface of the Earth. What prevents them from reaching the surface of the Earth?
Options:
A .  The Earth’s magnetic field diverts them towards its poles
B .  Ozone layer around the Earth reflects them back to outer space
C .  None of the statement (A), (B) and (C) given above is correct
D .  Moisture in the upper layers of atmosphere prevents them from reaching the surface of the Earth
Answer: Option A
Answer: (a)

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