What Are the Different Sources of Atmospheric Aerosols and Where

What are the different sources of atmospheric aerosols and where might they be found?

A) Aerosols found over land are salts and sulfates, whereas aerosols found over the ocean come from windblown dust, fires, and human activities.
B) Aerosols found over the ocean include salts and sulfates, whereas aerosols found over land come from windblown dust, fires, and human activities.
C) Common sources for atmospheric aerosols include respiration and asphyxiation and can be found wherever there are humans.
D) All atmospheric aerosols are the same and all are created in urban areas.