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.
Yellow River. Also known as the Huang-He river. The second longest river in China and the sixth longest in the world. The majority of ancient Chinese civilizations originated in the Yellow River Valley.