Aerosols vary in composition, size, concentration, and source. They profoundly affect climate, visibility, human health, and biogeochemical cycling. Particle sizes are determined by the mechanism ...

Anthropogenic organic aerosols are carbon-containing particles emitted by humans into the air, which are classified as ...

Study: Acute particulate matter exposure diminishes executive cognitive ... PM 2.5 micrometers (µM) in size or smaller (PM 2.5) is a type of air pollution released from various sources, including ...

Solids, liquids and gases are called the three states of matter. Liquids can flow or be poured easily. They are not easy to hold. Liquids change their shape depending on the container they are in.