Final answer:
The geography of China includes the Himalaya Mountains that isolate China from India, deserts and mountains that help define its borders, and access to major bodies of water and river systems, refuting the claim that China lacks access to water.
Step-by-step explanation:
The geography of China is characterized by a variety of natural features that influence the nation's borders and interaction with neighboring countries. Firstly, the Himalaya Mountains indeed form a natural boundary between India and China, serving as a significant geographical feature that isolates the two nations. Regarding the second point, China's borders are indeed defined partly by deserts, such as the Takla Makan, that create natural barriers to the west.
Furthermore, mountains play a crucial role in demarcating China's borders, adding to the terrain's complexity and the country's natural defenses. Conversely, it is inaccurate to state that China lacks access to water since it has a long coastline along the eastern edge, giving access to the Yellow Sea, East China Sea, and South China Sea, as well as major river systems such as the Yellow and Yangtze Rivers.