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Section 1: Earth's Atmosphere

Earth's Atmosphere

1.

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The photodissociation of diatomic oxygen in the atmosphere produces ___________.
A)O
B)2O
C)ozone
D)oxygen and electrons
2.
Which part of the atmosphere is closest to Earth’s surface?
A)troposphere
B)stratosphere
C)mesosphere
D)thermosphere
3.
Which gas is present in the highest concentration in the atmosphere?
A)oxygen
B)carbon dioxide
C)nitrogen
D)argon
4.
Which part of the atmosphere contains the ozone layer?
A)troposphere
B)stratosphere
C)mesosphere
D)thermosphere
5.
What atoms make up ozone?
A)three oxygen atoms
B)two oxygen atoms
C)two oxygen atoms and one nitrogen atom
D)two nitrogen atoms
6.
Which of following is the blanket of pollution that is formed when sunlight reacts with chemicals in the air?
A)ozone
B)chlorofluorocarbons
C)smog
D)rain
7.
What are the two most common acid components of acid rain?
A)nitric acid and carbonic acid
B)nitric acid and phosphoric acid
C)nitric acid and sulfuric acid
D)sulfuric acid and carbonic acid
8.
Acid rain chemically reacts with calcium carbonate, the major component of limestone and marble, which are used to make buildings and statues. What are the chemical products formed when calcium carbonate reacts with nitric acid?
A)carbon dioxide, water, and calcium nitrate
B)carbonic acid and calcium hydroxide
C)calcium carbonate and nitric acid
D)nitrous oxide and calcium hydroxide
9.
Photodissociation in the upper atmosphere prevents some harmful radiation from reaching Earth’s surface. What type of radiation is absorbed during photodissociation?
A)visible radiation
B)infrared radiation
C)high-energy ultraviolet radiation
D)radio waves
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