DESCRIPTION: Earth contains 78% nitrogen , 21% oxygen and less than 1% carbon dioxide.
LOCATION:It is the third plannet from the sun.
PLANET FACTS:
The Revolution period is 365.2 Days.
The rotation period is 23.9 hours.
The equatorial diametre is 12,756.
The Gravitational pull is .98 (your current weight) and the only satelite is the moon.
If the earth was any closer to the sun it would be too hot but where it is situated now is just perfect because if it was any further away it would be too cold.
For example it would be too hot on Venus but it would be too cold on Mars.