1.

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? [IAS Prelim]

A. The Earth's magnetic field diverts them towards its poles
B. Ozone layer around the Earth reflects them back to outer space
C.  chemical 
D. None of the statements [a], [b] and [c] given above is correct
Answer» B. Ozone layer around the Earth reflects them back to outer space


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