Question 1

During photosynthesis, plants convert __________ and __________ to organic sugars and oxygen.

Accepted Answer

A)  carbon dioxide, water 
B)  nitrogen, water 
C)  methane, carbon dioxide 
D)  nitrogen, methane 
A)  carbon dioxide, water 
B)  nitrogen, water 
C)  methane, carbon dioxide 
D)  nitrogen, methane A

Question 2

Smog is produced:

Accepted Answer

A)  when sulfur dioxide and oxides of nitrogen dissolve in water droplets in the atmosphere. 
B)  by nuclear fission reactors. 
C)  by atmospheric inversion. 
D)  when sunlight reacts with automobile exhaust. 
A)  when sulfur dioxide and oxides of nitrogen dissolve in water droplets in the atmosphere. 
B)  by nuclear fission reactors. 
C)  by atmospheric inversion. 
D)  when sunlight reacts with automobile exhaust. D

Question 3

A first rapid increase of oxygen in the atmosphere (the First Great Oxidation Event) occurred about __________ years ago.

Accepted Answer

A)  4.4 billion 
B)  2.4 billion 
C)  1 billion 
D)  600 million 
A)  4.4 billion 
B)  2.4 billion 
C)  1 billion 
D)  600 million B

Question 4

The ozone hole occurs in the layer of the atmosphere known as the __________.

Accepted Answer

The answer of The ozone hole occurs in the layer...

Question 5

In the United States, the cost of deterioration of buildings and materials from acid precipitation:

Accepted Answer

A)  is a minor problem. 
B)  is estimated at several million dollars per year. 
C)  is estimated at several billion dollars per year. 
D)  was high a decade ago but is now minimal due to the implementation of the Clean Air Act. 
A)  is a minor problem. 
B)  is estimated at several million dollars per year. 
C)  is estimated at several billion dollars per year. 
D)  was high a decade ago but is now minimal due to the implementation of the Clean Air Act.

Question 6

The Earth's atmosphere 4.6 billion years ago was mainly composed of __________ and __________.

Accepted Answer

A)  hydrogen, helium 
B)  helium, carbon dioxide 
C)  carbon dioxide, oxygen 
D)  nitrogen, helium 
A)  hydrogen, helium 
B)  helium, carbon dioxide 
C)  carbon dioxide, oxygen 
D)  nitrogen, helium

Question 7

When coal burns, some minerals escape from the chimney as __________ __________, which settles as gritty dust.

Accepted Answer

The answer of When coal burns, some minerals escape from...

Question 8

In the __________, temperature increases with altitude, because ozone absorbs ultraviolet radiation.

Accepted Answer

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

Question 9

Little radiation is absorbed in the __________ (between about 55 and 80 kilometers above Earth's surface), and the thin air is extremely cold.

Accepted Answer

The answer of Little radiation is absorbed in the __________...

Question 10

__________ were among the earliest photosynthetic life-forms on Earth.

Accepted Answer

A)  Multicellular plants 
B)  Lichens 
C)  Trilobites 
D)  Cyanobacteria 
A)  Multicellular plants 
B)  Lichens 
C)  Trilobites 
D)  Cyanobacteria

Question 11

Chlorofluorocarbons:

Accepted Answer

A)  are beneficial for the environment. 
B)  combine with dust particles to form aerosols that cool the Earth. 
C)  react to destroy ozone. 
D)  react to produce ozone. 
A)  are beneficial for the environment. 
B)  combine with dust particles to form aerosols that cool the Earth. 
C)  react to destroy ozone. 
D)  react to produce ozone.

Question 12

Smog is produced when automobile exhaust is exposed to __________.

Accepted Answer

The answer of Smog is produced when automobile exhaust is...

Question 13

A/an __________ compound is one that evaporates readily and therefore easily escapes into the atmosphere.

Accepted Answer

The answer of A/an __________ compound is one that evaporates...

Question 14

The modern concentration of 21 percent molecular oxygen in our atmosphere resulted largely from:

Accepted Answer

A)  meteorite impacts. 
B)  non-biological activity. 
C)  biologic activity. 
D)  the big bang theory. 
A)  meteorite impacts. 
B)  non-biological activity. 
C)  biologic activity. 
D)  the big bang theory.

Question 15

The atmosphere:

Accepted Answer

A)  becomes less dense with increasing altitude. 
B)  becomes more dense with increasing altitude. 
C)  remains at constant density with increasing altitude. 
D)  becomes less dense throughout the troposphere and then more dense in the stratosphere. 
A)  becomes less dense with increasing altitude. 
B)  becomes more dense with increasing altitude. 
C)  remains at constant density with increasing altitude. 
D)  becomes less dense throughout the troposphere and then more dense in the stratosphere.

Question 16

Fly ash is a particulate air pollutant released when coal is burned.

Accepted Answer

A) True 
 B)False

Question 17

James Lovelock used the term __________ to refer to the Earth, comparing it to a living creature due to the interconnectivity of all of its systems.

Accepted Answer

A)  Gaia 
B)  Pangea 
C)  Venus 
D)  Hydra 
A)  Gaia 
B)  Pangea 
C)  Venus 
D)  Hydra

Question 18

The most abundant constituent of our atmosphere is __________.

Accepted Answer

A)  nitrogen 
B)  oxygen 
C)  helium 
D)  ozone 
A)  nitrogen 
B)  oxygen 
C)  helium 
D)  ozone

Question 19

Which of the following statements about dioxin is true?

Accepted Answer

A)  Dioxin concentrates and accumulates in human muscle tissue. 
B)  Scientists have proven that vary small doses of dioxin in the environment are carcinogenic. 
C)  Large amounts of dioxin are intentionally manufactured in the United States. 
D)  The EPA has argued that dioxin is the most toxic chemical known. 
A)  Dioxin concentrates and accumulates in human muscle tissue. 
B)  Scientists have proven that vary small doses of dioxin in the environment are carcinogenic. 
C)  Large amounts of dioxin are intentionally manufactured in the United States. 
D)  The EPA has argued that dioxin is the most toxic chemical known.

Question 20

The layer of air closest to the Earth, the layer we live in, is the __________.

Accepted Answer

The answer of The layer of air closest to the...

Exam 17: The Atmosphere

During photosynthesis, plants convert __________ and __________ to organic sugars and oxygen.

Smog is produced:

A first rapid increase of oxygen in the atmosphere (the First Great Oxidation Event) occurred about __________ years ago.

The ozone hole occurs in the layer of the atmosphere known as the __________.

In the United States, the cost of deterioration of buildings and materials from acid precipitation:

The Earth's atmosphere 4.6 billion years ago was mainly composed of __________ and __________.

When coal burns, some minerals escape from the chimney as __________ __________, which settles as gritty dust.

In the __________, temperature increases with altitude, because ozone absorbs ultraviolet radiation.

Little radiation is absorbed in the __________ (between about 55 and 80 kilometers above Earth's surface), and the thin air is extremely cold.

__________ were among the earliest photosynthetic life-forms on Earth.

Chlorofluorocarbons:

Smog is produced when automobile exhaust is exposed to __________.

A/an __________ compound is one that evaporates readily and therefore easily escapes into the atmosphere.

The modern concentration of 21 percent molecular oxygen in our atmosphere resulted largely from:

The atmosphere:

Fly ash is a particulate air pollutant released when coal is burned.

James Lovelock used the term __________ to refer to the Earth, comparing it to a living creature due to the interconnectivity of all of its systems.

The most abundant constituent of our atmosphere is __________.

Which of the following statements about dioxin is true?

The layer of air closest to the Earth, the layer we live in, is the __________.

Earth Systems

Minerals

Rocks

Geologic Time: a Story in the Rocks

Geologic Resources

The Active Earth: Plate Tectonics

Earthquakes and the Earths Structure

Volcanoes and Plutons

Mountains

Weathering, Soil, and Erosion

Fresh Water: Streams, Lakes, Ground Water, and Wetlands

Water Resources

Glaciers and Ice Ages

Deserts and Wind

Ocean Basins

Oceans and Coastlines

Energy Balance in the Atmosphere

Moisture, Clouds, and Weather

Climate

Climate Change

Motions in the Heavens

Planets and Their Moons

Stars, Space, and Galaxies

Filters

During photosynthesis, plants convert and to organic sugars and oxygen.

The Earth's atmosphere 4.6 billion years ago was mainly composed of and .

When coal burns, some minerals escape from the chimney as , which settles as gritty dust.