What effect might each of the following have on the

When the temperature of the air is below the dew point without precipitation, the air is said to be what? (20.1) (a) stable (b) supercooled (c) sublimed (d) coalesced

Which of the following is not essential to the Bergeron process? (20.1) (a) silver iodide (b) mixing (c) supercooled vapor (d) ice crystals

Which of the following is the result of deposition? (20.1) (a) snow (b) rain (c) dew (d) frost

Which type of air mass is mainly responsible for mostly warm weather in the conterminous United States? (20.2) (a) mP (b) cA (c) mT (d) cT

Which of the following air masses would be expected to be cold and dry for the conterminous United States? (20.2) (a) cP (b) mA (c) cT (d) mE

What is a cold front advancing under a warm front called? (20.2) (a) a warm front (b) a stationary front (c) a cold front occlusion (d) a warm front occlusion

What is the critical alert for a tornado? (20.3) (a) tornado alert (b) tornado warning (c) tornado watch (d) tornado prediction

The greatest number of hurricane casualties is caused by which of the following? (20.3) (a) high winds (b) low pressure (c) flying debris (d) storm surge

A subsidence temperature inversion is caused by which of the following? (20.4) (a) a high-pressure air mass (b) acid rain (c) radiational cooling (d) subcritical air pressure

Which is a major source of air pollution? (20.4) (a) nuclear electrical generation (b) incomplete combustion (c) temperature inversion (d) acid rain

A change in the Earths albedo could result from which of the following? (20.5) (a) nitrogen oxides (b) acid rain (c) photochemical smog (d) particulate matter

Major concern about global warming arises from increased concentrations of which of the following? (20.5) (a) sulfur oxides (b) nitrogen oxides (c) greenhouse gases (d) photochemical smog

Distinguish between a hurricane watch and a hurricane warning.

What three months are the peak season in the United States (a) for hurricanes? (b) For tornadoes?

Define the term air pollution.

Is air pollution a relatively new problem? Explain.

What are the two types of temperature inversions, and how does a temperature inversion affect atmospheric pollution in an area?

What are the products of complete combustion of hydrocarbons? What are the products of incomplete combustion?

How are nitrogen oxides (NOx) formed, and what role do they play in air pollution?

Distinguish between classical smog and photochemical smog. What is the prime indicator of the latter?

You have a big bonfire going. The smoke rises to a point and then spreads out in a flat layer. What does this indicate?

What is the major fossil-fuel impurity?

What are the causes and effects of acid rain? In which areas is acid rain a major problem, and why?

Name the major sources of the following pollutants: (a) carbon monoxide (b) sulfur dioxide (c) particulate matter (d) nitrogen oxides (e) ozone

Define climate.

What effect might each of the following have on the Earths climate? (a) CO2 (b) particulate pollution (c) aircraft in the stratosphere

What is a direct effect on humans that increases with atmospheric ozone depletion?

What effects could CFCs have on the Earths climate?

What concern has been raised about air pollution in the stratosphere?

What are the concerns about global warming?