various factors which make the earth suitable for life
Why Earth suitable for life to evolve and survive
tushar pramanick
Mon, 05/13/2013 - 11:24
The various factors which make the earth suitable for life to evolve and survive are-- The earth has all the essential elements like carbon (in the form of CO2), hydrogen (H2), nitrogen (N2) and oxygen (O2) which act as building blocks for the origin of life.