The gas is bound photosynthetically, then sinks to the bottom as part of the algae biomass.
(The gas is bound photosynthetically; sinks; to the bottom; as part of the algae biomass; T:then) Context(The gas is bound photosynthetically sinks,List([0, 47))):(The gas; is bound photosynthetically; )
The gas is bound photosynthetically sinks,List([0, 47))
The gas is bound photosynthetically The gas
sinks is bound photosynthetically
to the bottom as part of the algae biomass T:then