About 15 percent of pollution(passive) was caused byAbout 15 percent of pollution
burning sensation in eyes , breathlessness , cough , lung diseases and heart attackscausingburning sensation in eyes , breathlessness , cough , lung diseases and heart attacks
the smoggy atmospherecreatethe smoggy atmosphere
to the discovery of the problemledto the discovery of the problem
aircraft Damage(passive) caused byaircraft Damage
to the very dangerous levels of air pollutants like particulate matter or the so - called RSP and the greenhouse gas nitrogen dioxide or NO₂ ( Lou , 2007have contributedto the very dangerous levels of air pollutants like particulate matter or the so - called RSP and the greenhouse gas nitrogen dioxide or NO₂ ( Lou , 2007
danger to the students of a nearby primary schoolis causingdanger to the students of a nearby primary school