Question

what is earth
please me short answer​

Answer 1

Explanation:

the study of and knowledge about the physical world and natural laws

Answer 2

Answer:

Earth is the third planet from the Sun and the only astronomical object known to harbor life. About 29% of Earth's surface is land consisting of continents and islands. The remaining 71% is covered with water, mostly by oceans but also by lakes, rivers and other fresh water, which together constitute the hydrosphere.