Asummaryofthephysicalandchemicalnatureoflifemustbegin，n...
问题详情：Asummaryofthephysicalandchemicalnatureoflifemustbegin，notontheearthbutinthesun；infact，atthesun’sverycenter．Itisherethatistobefoundthesourceoftheenergythatthesunconstantlypoursoutintospaceaslighta...