Assertion: phosphorus | /r/AtLocation | sources of bone ash and guano
Facets:
value: organically
type: MANNER
Source sentences:
text: Phosphorus is found organically in sources of bone ash and guano and is also produced in supernovae as a byproduct of supernova nucleosynthesis, where the phosphorus-to-iron ratio from the supernova remnant is believed to be 100 times higher than