Question 1

List and describe both natural and anthropogenic sources of air pollution.What are some of the common anthropogenic pollutants and their effects?

Accepted Answer

Natural sources of atmospheric pollution

Question 2

Increasing atmospheric carbon dioxide since 1950.Monthly average CO2 measured at Mauna Loa Observatory in Hawai''i.The highest and lowest months (usually May and October)are plotted for each year;black line shows the 5-year running average.

Which is true of the level of CO2 in our atmosphere?

Accepted Answer

A) CO2 is reached 400 ppm in approximately 2013. 
B) The rate of increase leveled out in 1976. 
C) The level of CO2 was much higher in 1955 than today. 
D) The level of CO2 is decreasing at 3.1% per year. 
E) The levels of CO2 have greatly fluctuated over the past 50 years. 
A) CO2 is reached 400 ppm in approximately 2013. 
B) The rate of increase leveled out in 1976. 
C) The level of CO2 was much higher in 1955 than today. 
D) The level of CO2 is decreasing at 3.1% per year. 
E) The levels of CO2 have greatly fluctuated over the past 50 years.

Question 3

Chemical reactions and pollutants from industrial smog

Industrial smog is

Accepted Answer

A) composed primarily of O3 and PANs. 
B) principally associated with coal-burning industries and electrical generation. 
C) a relatively recent problem that developed during the latter half of this century. 
D) principally associated with transportation. 
E) unrelated to the phenomena of acid deposition. 
A) composed primarily of O3 and PANs. 
B) principally associated with coal-burning industries and electrical generation. 
C) a relatively recent problem that developed during the latter half of this century. 
D) principally associated with transportation. 
E) unrelated to the phenomena of acid deposition.

Question 4

What two pollutants react with water to produce acid rain?

Accepted Answer

A) sulfur oxides and nitrogen oxides 
B) sulfur oxides and ozone 
C) nitrogen oxides and ozone 
D) sulfur oxides and PAN 
E) ozone and VOCs 
A) sulfur oxides and nitrogen oxides 
B) sulfur oxides and ozone 
C) nitrogen oxides and ozone 
D) sulfur oxides and PAN 
E) ozone and VOCs

Question 5

Earth's third atmosphere likely formed from

Accepted Answer

A) water vapor condensed when Earth cooled. 
B) photosynthetic activity of ocean bacteria. 
C) outgassing from Earth's interior. 
D) oxygen molecules absorbing sunlight and forming protective ozone. 
E) respiration of early land mammals. 
A) water vapor condensed when Earth cooled. 
B) photosynthetic activity of ocean bacteria. 
C) outgassing from Earth's interior. 
D) oxygen molecules absorbing sunlight and forming protective ozone. 
E) respiration of early land mammals.

Question 6

Given the pH scale is logarithmic where each whole number represents a tenfold increase,a rain with a pH of 3 is how many times more acidic than rain with a pH of 7?

Accepted Answer

A) 3 
B) 4 
C) 100 
D) 10,000 
E) 1,000,000,000 
A) 3 
B) 4 
C) 100 
D) 10,000 
E) 1,000,000,000

Question 7

How does the ionosphere affect GPS?

Accepted Answer

A) GPS satellites orbit the Earth in the ionosphere. 
B) GPS ground stations lose contact with geosynchronous satellites orbiting near the poles. 
C) GPS signals must pass through the ionosphere,whose gases weaken the signal. 
D) Positively charged ions in the ionosphere speed up the GPS signal,causing signal error. 
E) Ionosphere gases strengthen GPS signals,improving locational accuracy. 
A) GPS satellites orbit the Earth in the ionosphere. 
B) GPS ground stations lose contact with geosynchronous satellites orbiting near the poles. 
C) GPS signals must pass through the ionosphere,whose gases weaken the signal. 
D) Positively charged ions in the ionosphere speed up the GPS signal,causing signal error. 
E) Ionosphere gases strengthen GPS signals,improving locational accuracy.

Question 8

Half of the total mass of Earth's atmosphere lies below an elevation of ___ meters.

Accepted Answer

A) 14,000 
B) 11,000 
C) 8,300 
D) 5,500 
E) 25,000 
A) 14,000 
B) 11,000 
C) 8,300 
D) 5,500 
E) 25,000

Question 9

Which country burns more coal and emits more CO2 than any other country on Earth?

Accepted Answer

A) The United States 
B) China 
C) Germany 
D) India 
E) Japan 
A) The United States 
B) China 
C) Germany 
D) India 
E) Japan

Question 10

Three criteria used for classification of the atmosphere are

Accepted Answer

A) structure,origin,temperature. 
B) structure,origin,evolution. 
C) composition,origin,evolution. 
D) temperature,evolution,and function. 
E) composition,temperature,and function. 
A) structure,origin,temperature. 
B) structure,origin,evolution. 
C) composition,origin,evolution. 
D) temperature,evolution,and function. 
E) composition,temperature,and function.

Question 11

Atmospheric Temperature

Which of the following best describe conditions in the mesosphere?

Accepted Answer

A) Temperatures rapidly increase with altitude in the mesosphere. 
B) It contains the coldest portion of the atmosphere along its outer boundary. 
C) The mesosphere is completely within the heterosphere. 
D) The mesosphere is located between the troposphere and the stratosphere. 
E) The mesosphere corresponds with the ozonosphere. 
A) Temperatures rapidly increase with altitude in the mesosphere. 
B) It contains the coldest portion of the atmosphere along its outer boundary. 
C) The mesosphere is completely within the heterosphere. 
D) The mesosphere is located between the troposphere and the stratosphere. 
E) The mesosphere corresponds with the ozonosphere.

Question 12

The ozonosphere is critical to life because it

Accepted Answer

A) affects temperatures. 
B) absorbs visible light wavelengths. 
C) strengthens GPS signals that must pass through it. 
D) produces the auroras. 
E) absorbs most ultraviolet wavelengths. 
A) affects temperatures. 
B) absorbs visible light wavelengths. 
C) strengthens GPS signals that must pass through it. 
D) produces the auroras. 
E) absorbs most ultraviolet wavelengths.

Question 13

Which of the following statements about ozone (O3)is false?

Accepted Answer

A) Ozone in the stratosphere protects human health. 
B) Ozone in the lower atmosphere protects human health. 
C) Stratospheric ozone absorbs harmful radiation. 
D) Tropospheric ozone is a component of photochemical smog. 
E) Tropospheric ozone can damage plants. 
A) Ozone in the stratosphere protects human health. 
B) Ozone in the lower atmosphere protects human health. 
C) Stratospheric ozone absorbs harmful radiation. 
D) Tropospheric ozone is a component of photochemical smog. 
E) Tropospheric ozone can damage plants.

Question 14

Air consists of

Accepted Answer

A) a mixture of gases that behaves like single gas. 
B) unevenly mixed gases that act independently. 
C) oxygen only. 
D) mostly carbon dioxide and water vapor. 
E) primarily oxygen and several trace gases,such as carbon dioxide. 
A) a mixture of gases that behaves like single gas. 
B) unevenly mixed gases that act independently. 
C) oxygen only. 
D) mostly carbon dioxide and water vapor. 
E) primarily oxygen and several trace gases,such as carbon dioxide.

Question 15

The outermost region of the atmosphere,based on composition,is the

Accepted Answer

A) homosphere. 
B) heterosphere. 
C) troposphere. 
D) thermosphere. 
E) exosphere. 
A) homosphere. 
B) heterosphere. 
C) troposphere. 
D) thermosphere. 
E) exosphere.

Question 16

At sea level,the pressure of the atmosphere is about _____ kg/cm2.

Accepted Answer

A) 1.0 
B) 2.6 
C) 8.2 
D) 6.7 
E) 5.0 
A) 1.0 
B) 2.6 
C) 8.2 
D) 6.7 
E) 5.0

Question 17

Which atmospheric zone supports the biosphere and is the region of principle weather activity?

Accepted Answer

A) thermosphere 
B) mesosphere 
C) stratosphere 
D) troposphere 
E) exosphere 
A) thermosphere 
B) mesosphere 
C) stratosphere 
D) troposphere 
E) exosphere

Question 18

The top of the Earth's atmosphere is approximately

Accepted Answer

A) 3,200 km (1,988 mi)above the Earth's surface. 
B) 480 km (300 mi)above the Earth's surface. 
C) 2,000 km (1,243 mi)above the Earth's surface. 
D) 1,000 km (621 mi)above the Earth's surface. 
E) 10 km (6.21 mi)above the Earth's surface. 
A) 3,200 km (1,988 mi)above the Earth's surface. 
B) 480 km (300 mi)above the Earth's surface. 
C) 2,000 km (1,243 mi)above the Earth's surface. 
D) 1,000 km (621 mi)above the Earth's surface. 
E) 10 km (6.21 mi)above the Earth's surface.

Question 19

Earth's first atmosphere likely formed from

Accepted Answer

A) water vapor condensed when Earth cooled. 
B) photosynthetic activity of ocean bacteria. 
C) outgassing from Earth's interior. 
D) oxygen molecules absorbing sunlight and forming protective ozone. 
E) respiration of early land mammals. 
A) water vapor condensed when Earth cooled. 
B) photosynthetic activity of ocean bacteria. 
C) outgassing from Earth's interior. 
D) oxygen molecules absorbing sunlight and forming protective ozone. 
E) respiration of early land mammals.

Question 20

Despite its high temperatures,why would the thermosphere feel cold to humans?

Accepted Answer

A) The number of molecules is not high enough to transfer heat to human's skin. 
B) Humans would die due to pressure changes before they could experience the intense heat. 
C) The atmosphere is denser in the thermosphere and this pressure reduces heat transfer. 
D) The average kinetic energy is actually less in the thermosphere than the troposphere. 
E) The high density of individual molecules in the thermosphere have a cooling effect. 
A) The number of molecules is not high enough to transfer heat to human's skin. 
B) Humans would die due to pressure changes before they could experience the intense heat. 
C) The atmosphere is denser in the thermosphere and this pressure reduces heat transfer. 
D) The average kinetic energy is actually less in the thermosphere than the troposphere. 
E) The high density of individual molecules in the thermosphere have a cooling effect.

List and describe both natural and anthropogenic sources of air pollution.What are some of the common anthropogenic pollutants and their effects?

Increasing atmospheric carbon dioxide since 1950.Monthly average CO2 measured at Mauna Loa Observatory in Hawai''i.The highest and lowest months (usually May and October)are plotted for each year;black line shows the 5-year running average. Which is true of the level of CO₂in our atmosphere?

Chemical reactions and pollutants from industrial smog Industrial smog is

What two pollutants react with water to produce acid rain?

Earth's third atmosphere likely formed from

Given the pH scale is logarithmic where each whole number represents a tenfold increase,a rain with a pH of 3 is how many times more acidic than rain with a pH of 7?

How does the ionosphere affect GPS?

Half of the total mass of Earth's atmosphere lies below an elevation of ___ meters.

Which country burns more coal and emits more CO2 than any other country on Earth?

Three criteria used for classification of the atmosphere are

Atmospheric Temperature Which of the following best describe conditions in the mesosphere?

The ozonosphere is critical to life because it

Which of the following statements about ozone (O3)is false?

Air consists of

The outermost region of the atmosphere,based on composition,is the

At sea level,the pressure of the atmosphere is about _____ kg/cm2.

Which atmospheric zone supports the biosphere and is the region of principle weather activity?

The top of the Earth's atmosphere is approximately

Earth's first atmosphere likely formed from

Despite its high temperatures,why would the thermosphere feel cold to humans?

Essentials of Geography

Solar Energy to Earth and the Seasons

Atmospheric Energy and Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Earth’s Climatic Regions

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems

Aeolian Processes and Arid Landscapes

Oceans and Coastal Systems

Glacial Landscapes and the Cryosphere

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 3: Earth’s Atmosphere

List and describe both natural and anthropogenic sources of air pollution.What are some of the common anthropogenic pollutants and their effects?

Increasing atmospheric carbon dioxide since 1950.Monthly average CO2 measured at Mauna Loa Observatory in Hawai''i.The highest and lowest months (usually May and October)are plotted for each year;black line shows the 5-year running average. Which is true of the level of CO2 in our atmosphere?

Chemical reactions and pollutants from industrial smog Industrial smog is

What two pollutants react with water to produce acid rain?

Earth's third atmosphere likely formed from

Given the pH scale is logarithmic where each whole number represents a tenfold increase,a rain with a pH of 3 is how many times more acidic than rain with a pH of 7?

How does the ionosphere affect GPS?

Half of the total mass of Earth's atmosphere lies below an elevation of ___ meters.

Which country burns more coal and emits more CO2 than any other country on Earth?

Three criteria used for classification of the atmosphere are

Atmospheric Temperature Which of the following best describe conditions in the mesosphere?

The ozonosphere is critical to life because it

Which of the following statements about ozone (O3)is false?

Air consists of

The outermost region of the atmosphere,based on composition,is the

At sea level,the pressure of the atmosphere is about _____ kg/cm2.

Which atmospheric zone supports the biosphere and is the region of principle weather activity?

The top of the Earth's atmosphere is approximately

Earth's first atmosphere likely formed from

Despite its high temperatures,why would the thermosphere feel cold to humans?

Essentials of Geography

Solar Energy to Earth and the Seasons

Atmospheric Energy and Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Earth’s Climatic Regions

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems

Aeolian Processes and Arid Landscapes

Oceans and Coastal Systems

Glacial Landscapes and the Cryosphere

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Increasing atmospheric carbon dioxide since 1950.Monthly average CO2 measured at Mauna Loa Observatory in Hawai''i.The highest and lowest months (usually May and October)are plotted for each year;black line shows the 5-year running average. Which is true of the level of CO₂in our atmosphere?