Green aquatic plants are often used in aquariums since, through the process of photosynthesis, they utilize waste carbon dioxide from the animals' respiration and in turn provide oxygen.
(Green aquatic plants; are used; L:in aquariums; T:often) (they; utilize; waste carbon dioxide from the animals' respiration) (they; provide; oxygen)
Green aquatic plants they they
are used utilize provide
L:in aquariums T:often
waste carbon dioxide from the animals' respiration
oxygen