Tall Smokestacks Were Effective Ways of

Q52: Secondary pollutants<br>A) Harm only vulnerable members of

Q53: Persistent inflammation of bronchi in the lungs

Q54: Electrostatic precipitators prevent fly ash from escaping

Q55: What type(s) of building(s) and monument(s) is(are)

Q56: Since increased numbers of women began smoking

Q58: An irreversible obstructive lung disease is called<br>A)

Q59: Pollutants such as sulfur dioxide and ozone

Q60: The most common metallic air pollutant is<br>A)

Q61: Worldwide, air pollution control efforts are least

Q62: Old power plant facilities have been kept