Exam 20: Air Pollution

Asthma is a medical condition involving persistent inflammation of the lungs and damage to lung cells.

Which of the following emits fine and ultrafine particles? 

What produces a thermal inversion? 

What describes the climate of an urban area with many vehicles in which photochemical smog occurs? 

Today,the use of energy from sources other than coal-for example,other fossil fuels,nuclear power,and hydroelectricity-has greatly reduced the occurrence of industrial smog.

The use of emission-control devices on motor vehicles would help minimize pollution.

POLLUTANTS -Which letter in the diagram corresponds to CO,CO₂,SO₂,NO,NO₂,most hydrocarbons,and most suspended particles?

Which of the following is a characteristic of radon-222? 

What can be caused by acid deposition? 

ATMOSHPERE -Which letter in the diagram corresponds to the boundary in the atmosphere between the troposphere and the stratosphere?

Which atmospheric layer contains 75% of the mass of Earth's air? 

____________________ is a colourless gas used in foam insulation which can irritate the eyes,throat,skin,and lungs.

The ______________________________ established air pollution regulations to be enforced by states and cities.

What causes the atmosphere to divide into spherical layers? 

A(n)______________________________ may occur during the movement of a cold front or it may result from the infiltration of ocean air by a cooler onshore breeze.

REACTION -Which letter in the diagram corresponds to the substance for which formaldehyde is an example?

What is the atmospheric boundary called at which a rising weather balloon would measure a sudden increase in temperature just after having measured a decrease in temperature? 

Natural causes of _________________________ include volcano emissions,lightning,and microbial processes.

Which is the correct sequence of layers of the atmosphere,from innermost to outermost? 

Which of the following is a photochemical oxidant?