The first thing that a student should do when developing an action plan is to d. clarify the goal after doing that we write the list of actions, then organise them and prioritise what needs to be done.
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I would love to help answer, but i think i need a little more context here.
Indoor pollution can be reduced by reducing the main causes of this pollution which are: avoid smoking indoor, reducing use of carpeted floors, proper ventilation, keep trash baskets covered, minimizing the use of air-fresheners and irritating perfumes, use exhaust fans. The outdoor pollution can be reduced by minimizing the use of vehicles whose burning fuel contribute a lot to outdoor air pollution, the chimneys of industries and factories should have filters fixed in so that harmful substances may not be exposed to air.