In a school ;students thought of planning trees in and around the school to reduce air pollution. It was decided that the number of trees ;that each section in which ion of each class will plant ;will be the same as the class ;in which they are studying ;e.g.;a section of class 1 will plant 1 tree ; a section of class 2 will plant 2 trees and so on till class XII.Thereare three sections of each class. how many trees will be planted by the students?
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yes trees reduce air pollution because with help of tress we can deacrease air pollution
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