Key+Question+1+(AIR)

1. What is it like? 

Air contamination is the mixedture of solid particules and gases. They are produced by industrial gases, smoke produced by burning fuels in cars. Contamination affects peoples health and produced great danger to plants and animals, this contamination can reduse our visibility, and produces a very bad smell.

 Resources: CVC expert: German Restrepo Enciclopedia tematica del estudiante pg 94, 95 []