Complex sentence: Karnataka's coastline stretches 300 kms between Mangaluru in Dakshina Kannada district and Karwar in Uttara Kannada district.The coast line of Karnataka has been along the eastern shore of Arabian Sea.
Split into simpler sentences: Karnataka's coastline stretches 300 kms between Mangaluru in Dakshina Kannada district and Karwar in Uttara Kannada district. The coastline of Karnataka has been along the eastern shore of Arabian Sea.