Question

Would you mind explaining the history of earth?

Answer 1

Histoy of earth is undefined but Big Bang Theory attempts to explain the history of earth.It talks of hige explosion about 25 billions years ago,unimaginable in physical experience.Due to this the temperature of earth grew high. Due to high temperature various gases like Hydrogen,Carbondioxide,water vapours, ammonia undergo a series of reactions to form oxygen and Make the nature of earth life supportive.