Problem 1
Discuss the relationship between atmospheric particulates and haze.
Problem 2
What is acid rain? What two acids predominate in it? Explain why the predominant acid in acid rain differs in eastern and western North America.
Problem 3
What is the difference between \(d r y\) and wet deposition?
Problem 4
Using chemical equations, explain how acid rain is neutralized by limestone that is present in soil. Describe ways in which humans have tried to neutralize acidified lakes.
Problem 5
Explain what is meant by the expression critical load.
Problem 6
Describe the effects of acid precipitation upon (a) dissolved levels of aluminum, (b) fish populations, and (c) trees.
Problem 7
Explain the difference between soot-andsulfur-dioxide smog and photochemical smog in terms of the chemicals involved and the health effects they cause.
Problem 8
What is the difference in meaning between absorbed and adsorbed when they refer to particulates?
Problem 9
List four important reasons why coarse particles usually are of less danger to human health than are fine particles.
Problem 10
What are the main sources of formaldehyde in indoor air? What are its effects? What are the characteristics of sick building syndrome?
