Assertion: photosynthesis | /r/AtLocation | the presence of light
Facets:
value: in chloroplast-containing leaves
type: LOCATION
Source sentences:
text: In plants, photosynthesis only occurs in the presence of light, but respiration occurs day in and day out.
text: While photosynthesis only occurs in the presence of light and in chloroplast-containing leaves, respiration takes place both day and night in all living cells.