Knowing how to easily manipulate the people around you. Not exactly a good thing though.
Mary should ask herself the final question; “how can I talk to my friend about how this is making me feel”.
Umm I think that it is normal because some people are different then other
The correct answer is A (Automobiles).
Particulate matter is a complex mixture of extremely small particles and liquid droplets.
One of the major components of particulate matter is sulphate usually coming from sulphur dioxide found in exhaust fumes that have been produced by automobiles . Other components are nitrates , ammonia, sodium chloride and black carbon.
Other components of particulate matter come from dust, soot, smoke, industrial emissions.
Particulate matter is one of the most common contributor to air pollution.
