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Abstract
The preparation of this project has the objectives To reduce the dust value p.m.2.5
There is a way to operate. Find information, join groups, discuss with teachers, make inventions, do
experiments.
The use of data collection from Internet searches Collect the results of the experiment
Work modification process See what we missed and fix it. Or go to consult a teacher
The results of the study and project preparation found that Trees can clean the air, but this takes time
and trees do not have the same amount of air purification.
It can be concluded that trees actually reduce p.m.2.5.
Can be applied to Different from planting trees
