Secondary Air Pollutants Are

Q9: The rapid combination of a material with

Q10: Emissions of toxic air pollutants in the

Q11: A form of coal which produces less

Q12: Products of burning coal in air can

Q13: Products of burning coal in air can

Q15: Coal (carbon) tends to burn to produce

Q16: Smoke is<br>A)a gas<br>B)the same as smog<br>C)very finely

Q17: Probably the most critical of all substances

Q18: Fly ash is<br>A)materials from burning coal that

Q19: Industrial smog is related to<br>A)burning coal in