Making the world better, one answer at a time. Starting at level 35 Koffing can evolve into Wheezing. Once evolved it will retain the same type poison and ability amorphous. Starting at level 35 Koffing can evolve into Wheezing. Once evolved it will retain the same type poison and ability amorphous.
Yangtze River - The Longest River in China. The Yangtze River has a strong claim to being the most interesting river in the world, with a wide variety of tourist attractions, scenery, and culture along its length.
Two great rivers run through China Proper: the Yellow River in the north, and the Yangtze (or Yangzi) River to the south. In fact, most of China Proper belongs to the drainage-basins of these two rivers. Both originate to the far west in the Tibetan Plateau. The much smaller Xi River cuts through southern China.