Light reactions: steps that convert light energy to chemical energy and produce O2 gas as a waste product.
(steps; convert; light energy to chemical energy and produce O2 gas as a waste product) Context(steps convert,List([17, 35))):(steps that convert light energy; to produce; O2 gas; as a waste product)
steps convert,List([17, 35))
steps steps that convert light energy
convert to produce
light energy to chemical energy and produce O2 gas as a waste product
O2 gas as a waste product