Labels:reckoner | sky OCR: why the understanding 81 itable Earth came to bea hos other abode for life while +1 th's near rocky planets, even ne of the twin Venus, did not have been imost critical forces ma ce of life itself. The appearai plants for example WT ting responsible for contrib substantial anounts fo1 oxygen- -the sine qua heavily life to Earth's origins mosphere carbon dioxide- -based dorninates Carbon dioxide which in large Venus's atnosphere planet's part responsible for hostile tempera tu howar wlile ulanets beenmost criticel examnple sive origin lormina Carbor whick
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