Well, if you were to be the only reader of the book (which, perhaps, you will be) then I will use it. 
Right now I am writing about the carbon cycle and how fortunate we are not to have ended up like Mars or Venus. I am almost done with that, and then move into the origin of life on Earth and natural selection part.

Right now I am writing about the carbon cycle and how fortunate we are not to have ended up like Mars or Venus. I am almost done with that, and then move into the origin of life on Earth and natural selection part.
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