1b 00----02b 02br 01b 00ag·gra·da·tion02b 02br 02br 02br 00 a modification of or the process of modifying the earth's surface in the direction of 01b 00uniformity of grade or slope02b 00 by deposition (as of detrital material in a river bed)02br 05000 02br 00------02br 00A 01b 00constant slope/inclination/grade02b 00 is obtained by deposition of stuff. 0240
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