Complex sentence: Karu Nadu, locally known as North Karnataka, is a geographical region consisting of mostly semi-arid plateau from 300 to 730 metres (980 to 2,400 ft) elevation that constitutes the northern part of the South Indian state of Karnataka.
Split into simpler sentences: Karu Nadu, locally known as North Karnataka, is a geographical region consisting of mostly semi-arid plateau ranging from an elevation of 300 to 730 metres (980 to 2,400 ft). This region constitutes the northern part of the South Indian state of Karnataka.