The frog eggs help provide the carbon dioxide needed by the algae for photosynthesis.
(the carbon dioxide; needed; by the algae for photosynthesis) (The frog eggs; help; provide the carbon dioxide) Context(The frog eggs help,List([0, 18))):(The frog eggs; help provide; the carbon dioxide needed by the algae for photosynthesis)
The frog eggs help,List([0, 18))
the carbon dioxide The frog eggs The frog eggs
needed help help provide
by the algae for photosynthesis
provide the carbon dioxide
the carbon dioxide needed by the algae for photosynthesis