Question

Given below are some of the important facts in the origin and evolution of life on earth. Arrange them in the correct sequence. (See Lesson 1) (i) Oxidizing atmosphere. (ii) Simplest non-photosynthetic bacteria evolved. (iii) Earth cooled and molecules of life formed. (iv) Chlorophyll contained bacteria originated.

Answer 1

Answer:

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Answer 2

earth cooled and molecules of life formed , simplest non photosynthetic bacteria evoled , chlorophyll contained bacteria originated , oxidising atmosphere