Across
- 2. yellow silt deposited into banks
- 4. Huang He, Yangtze, Chang Jiang are the major ____________________ _________________.
- 5. the natural barriers couldn't stop ________________
- 7. The first ____________ were built 4,000 years ago
- 8. deserts, mountain ranges, rivers, oceans were considered to be _____________ ________________.
- 9. has not happened since 1979
- 10. dangerous floods faced by China
Down
- 1. had to provide own goods
- 3. air pollution, water pollution, food and water shortages, plastic pollution, biodiversity loss are examples of __________________ ____________________ today in 2023.
- 6. ancient China had only 10% of _____________________