Fill in the Blanks Worksheet A: Causes of air pollutionOnline version Identify the words to make the statement true or correct. by Noel Sayco 1 atmosphere environmental pollution molecules worldwide harmful Air public is a significant and health issue . It occurs when substances such as gases , particulates , and biological are introduced into the . 2 pollutants matter monoxide fossil oxides fuels Transportation : Vehicles , especially those using , emit such as carbon , nitrogen , and particulate . 3 organic nitrogen compounds Factories volatile plants power dioxide Industrial Activities : and emit sulfur , oxides , and ( VOCs ) . 4 fertilizers pesticides ammonia farming Agricultural Activities : The use of , , and livestock can produce and other pollutants . 5 heating Burning cooking pollutants Residential Heating and Cooking : wood , coal , or other solid fuels for and can release particulates and other . 6 landfills waste methane pollutants management waste Waste Management : Open burning of , , and other practices can release and other . 7 air pollution fires volcanic dust Forest Natural Sources : , storms , and eruptions can also contribute to .