The earth has all the essential elements like Carbon Dioxide, Hydrogen, Nitrogen and Oxygen which act as building blocks for the origin of life. The earth is neither too hot nor too cold. It has exactly right temperature range for carrying out the precious life sustaining chemical reactions.
Factors which make the earth suitable for life to evolve and survive
 |
| Earth |
The earth has a protective shield of "Ozone" layer high up in its atmosphere to save living from extremely harmful ultraviolet (UV) radiations coming from sun.
