english: While that was going on, some of those ancient photosynthesizers died and were compressed and buried, and became fossil fuel with sunlight buried in their carbon bonds.
non_english: Terwijl dat gaande was, gingen vele van die oude  fotosynthetiserende organismen dood, werden samengeperst en begraven, en werden fossiele brandstoffen met zonlicht vastgelegd  in hun koolstofbindingen.