The universe is huge. Generally the earth itself is practically just a bit. The universe is old – right around 20 billion years of age. Huge clusters of galaxies comprise the universe. . Universes contain stars and clouds of gas and dust.The air was absent on early earth.
The Biogenesis Theory
The Theory of Oparin Haldane
Class 12 Student
I Am a Trained Teacher having more than 10 years of experience in Biology subject also I deal with school operation and Management. I have done masters In Biotechnology.