Question
Solar energy does not cause pollution.
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| Column $'A'$ | Column $'B'$ |
| $( 1 )$ To get water *** of a well | $( a )$ ********* of soil increases in *** long run |
| $( 2 )$ ********* use of chemical fertilizer | $( b )$ Canals |
| $( 3 )$ To get water for irrigation from river | $( c )$ Seeds can be stored |
| $( 4 )$ Organic farming | $( d )$ Motor pumps |
| $( e )$ Fertility of soil decreases in the long run |