Indoor air can be two to five times more polluted than outdoor air, mainly due to volatile organic compounds, or VOCs. They are mainly due to ____*1 pointRefrigerators in HouseDue to AC'sPaintsLPG at home

Indoor air pollution is considered one of the most serious problems in developed countries because aindoor air pollution standards do not exist in developed countries bindoor air pollutants are very difficult to filter from the air cindoor air pollutants are much more toxic than outdoor air pollutants dthe majority of most individuals' lives are spent indoors or in vehicles

How many chemicals can affect indoor air quality?Group of answer choicesBillionsThousandsMillionsHundreds

Go online and learn more about other causes of indoor air pollution. How can you categorize these sources?RecordPlayback

Not a point of entry of outdoor pollutants to the indoor of households.Mechanical ventilationNatural ventilationInfiltrationConvection

True or False QuestionTrue or false: Indoor air pollution is often higher than it is outdoors.True false question.TrueFalse