Answer:
Step-by-step explanation:
A factory smokestack is an aA.point source of airpollution.B.nonpoint source of air pollution.C.controlled source of airpollution.2. Which example is a nonpoint source of air pollution? A.the chimney of a private home.a smokestack from an electric powerplant.a highway that has many cars releasingexhaust3. Which example is an effect of acid precipitation?A.temperatureinversionsB.weathered stone onbuildingsC.an increase in the concentration ofsmog4. Pollution that forms when sunlight reacts with chemicals in the air isA.smog.B.radon.C.acidprecipitation.5. Why have air pollution controls failed to decrease ground-level ozone? A. There are more cars on the roads.B.Air pollution controls are not effective against ozone.C.Ozone is not covered under the Clean Air Act of1970.MatchingDirections: On the line before each definition, write the letter of the term that matches it correctly. Each term is used onlyonce.6. tiny particles of dust, acid, and other chemicals7. traps pollution in air overcities8. indoor pollutant emitted by some soil and rocks9. responsible for decreasing air pollutionlevels10. Lead and this air pollutant has decreased the most.A.radonB.Clean AirActC.particulate matterD.carbonmonoxideE.temperatureinversion