5. THEORY OF ETERNITY OF LIFE: This theory assumes that life had no beginning or end. It believes that life has ever been in existence and it will continue to be so ever. It further believe that there is no question of origin of life as it has no beginning or end. The theory is also known as steady state theory. The main objection against the proposed theory that it could not be able to explain; evidences support that initially earth forms and then life appeared on it. Where life exist before the formation of earth?