Air Pollution Crossword

a machine that moves gases through a spray of water that dissolves many pollutants
buildings that have very poor air quality have a condition known as this
formed when primary pollutants react with other primary pollutants or with naturally occurring substances, such as water vapor
health problems are known to arise from this type of pollution
when air pollution hangs over urban areas and reduces visibility
carbon monoxide, nitrogen oxide, and sulfur dioxide
the air above is warmer than the air below
dB
the intensity of sound
a measure of how acidic or basic a substance is
sudden influx of acidic water that causes a rapid change in the water's pH
a fire retardant insulator formed of long, thin fibers and that are valued for their resistance to heat
when harmful substances build up in the air to unhealthy levels
a tasteless, odorless gas
inhaled asbestos fibers will will do this
rain, sleet, or snow that contains a high concentration of acids
the increase in the concentration of acid
the sudden influx of acidic water that causes a rapd change in the water's pH
a pollutant put directly into the air by human activity