1. The highest mountain in the world is Mount Everest, with a height of 8848.8(8848.8) meters.

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.

9. The distance from the sun to the earth is 149597870 km.

10, a human body needs 500 trillion cells.