The corn and other green plants help clean up the air by removing carbon dioxide, and oxygen is released back into the air.
(oxygen; is released; back into the air) (The corn and other green plants; help clean up; the air) Context(The corn and other green plants help clean up,List([0, 45))):(The corn and other green plants; help clean up help; clean up the air by removing carbon dioxide, and oxygen is released back into the air)
The corn and other green plants help clean up,List([0, 45))
oxygen The corn and other green plants The corn and other green plants
is released help clean up help clean up help
back into the air
the air
clean up the air by removing carbon dioxide, and oxygen is released back into the air