 
			 
			MCQOPTIONS
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				| 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 | |