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.
Answer:
It includes enough, and not too much, of all essential nutrients.
Explanation:
Option B. most Americans eat enough protein
it is not recommended unless the protein claim is to be used by infant or children under four years of age.
