2. The largest ocean in the world is the Pacific Ocean, with an area of179968000 (179968000) square kilometers.
The longest river in China is the Yangtze River, with a total length of 6,397 kilometers.
4. China is the most populous country in the world, with a population of 1.39008 million (1390800).
The diameter of the sun is1392 million meters.
The surface area of the earth is 565,438+0 billion square kilometers.
In 7.20 13 years, the world population was 7.057 billion.
8. The deepest lake in the world is Lake Baikal, with a depth of 1, 74 1 (174 1) meters.