Identify the statements that are related to chemical evolution:
i) Life originated in some other planets in the universe and accidentally reached the earth.
ii) Life originated as a result of the changes that occurred in the chemical substances in water, under specific conditions of primitive earth.
iii) The theory is supported by the organic substances found in the meteors that fell on earth.
iv) A.I.Oparin and J.B.S.Haldane are the proponents of the theory.
