Answer:
In ancient times, the geographic features of China isolated the country from the rest of the world. Natural barriers, such as mountains, deserts, rivers, and seas, made travel to and from China challenging. These features also allowed people living in different parts of China to develop their own cultures.
Explanation:
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B. Supernatural
Only theories have been made in attempt to explain the supernatural.
Try swimming and maybe an idea will pop up, wish u luck!