unpaired terrace मीनिंग इन हिंदी

"' Paired and unpaired terraces "': Terraces of the same elevation on opposite sides of either a stream or river are called " paired terraces ".
Paired terraces are caused by river rejuvenation . " Unpaired terraces " occur when either a stream or river encounters material on one side that resists erosion, leaving a single terrace with no corresponding terrace on the resistant side.