Studies conducted by the National Aeronautics and Space Administration (NASA) in the United States discovered that one simple way to improve air quality is to introduce plants which can absorb the pollutants.
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Studies conducted by the National Aeronautics and Space Administration ( NASA ) in the United States discovered,List([0, 109))
Studies plants Studies conducted by the National Aeronautics and Space Administration (NASA) in the United States one simple way to improve air quality
conducted can absorb discovered is
by the National Aeronautics and Space Administration (NASA) in the United States
the pollutants
that one simple way to improve air quality is to introduce plants
to introduce plants