After completing the project, students calculated the improved air quality, as each tree planted will produce 5 pounds of oxygen per day.
(students; calculated; the improved air quality; T:After completing the project) (each tree; planted; ) (each tree planted; will produce; 5 pounds of oxygen per day)
students each tree each tree planted
calculated planted will produce
the improved air quality T:After completing the project
5 pounds of oxygen per day