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picture1_Lecture2


 14x       Filetype PPT       File size 0.65 MB       Source: www.coa.edu


File: Lecture2
how old is this planet anyway theories of origin geological and biological timescales phylogeny how old is this planet anyway the universe is probably 13 billion years old big bang ...

icon picture PPT Filetype Power Point PPT | Posted on 06 Sep 2022 | 4 years ago
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...How old is this planet anyway theories of origin geological and biological timescales phylogeny the universe probably billion years big bang theory doppler shift earth begins with cooling crust solidification earliest records life ago first humans australopithecus discovery fossils fragility coincidence can only exist within temperatures corresponding to boiling freezing point water range a fraction between absolute zero c temperature sun did evolve three creationism extraterrestrial panspermia spontaneous black smokers physical conditions early in correct general fluid state carbon compounds non brittle size retains an atmosphere lacked oxygen therefore highly reductive high energy bombardment from promotes generation organics...

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