Question 1

Which of the following statements is true?

Accepted Answer

A) Energy use is increasing four times faster than Earth's population. 
B) Energy use is increasing two times faster than Earth's population. 
C) Energy use and Earth's population are increasing at the same rate. 
D) Earth's population is increasing two times faster than energy use. 
A) Energy use is increasing four times faster than Earth's population. 
B) Energy use is increasing two times faster than Earth's population. 
C) Energy use and Earth's population are increasing at the same rate. 
D) Earth's population is increasing two times faster than energy use.

Question 2

What is the current population of Earth?

Accepted Answer

A) approximately 1 billion 
B) approximately 3 billion 
C) approximately 6 billion 
D) approximately 12 billion 
A) approximately 1 billion 
B) approximately 3 billion 
C) approximately 6 billion 
D) approximately 12 billion

Question 3

The protective ozone layer is found in Earth's

Accepted Answer

A) atmosphere. 
B) lithosphere. 
C) stratosphere. 
D) troposphere. 
A) atmosphere. 
B) lithosphere. 
C) stratosphere. 
D) troposphere.

Question 4

Which fossil fuel will eventually become dominant in most countries?

Accepted Answer

A) coal 
B) tar sands 
C) oil shale 
D) natural bitumen 
A) coal 
B) tar sands 
C) oil shale 
D) natural bitumen

Question 5

At the current production rates,it is estimated that all of the known oil reserves will be consumed in

Accepted Answer

A) 100 years. 
B) 15 years. 
C) 500 years. 
D) 40 years. 
A) 100 years. 
B) 15 years. 
C) 500 years. 
D) 40 years.

Question 6

Which of the following will not reduce the emissions of greenhouse gases?

Accepted Answer

A) using coal rather than oil and gasoline 
B) using energy more efficiently 
C) using fuel made from renewable resources such as wind 
D) using nuclear power redesigned for safety 
A) using coal rather than oil and gasoline 
B) using energy more efficiently 
C) using fuel made from renewable resources such as wind 
D) using nuclear power redesigned for safety

Question 7

Which of the following cities is almost entirely heated with geothermal water (either directly or indirectly)?

Accepted Answer

A) San Francisco 
B) Paris 
C) Reykjavik 
D) Tokyo 
A) San Francisco 
B) Paris 
C) Reykjavik 
D) Tokyo

Question 8

How much of the global river sediment load is currently trapped because of human activity?

Accepted Answer

A) 70% 
B) 50% 
C) 30% 
D) 10% 
A) 70% 
B) 50% 
C) 30% 
D) 10%

Question 9

The United States consumes _______ more energy per person than the global average.

Accepted Answer

A) 4.5 times 
B) 10 times 
C) 2 times 
D) 7.5 times 
A) 4.5 times 
B) 10 times 
C) 2 times 
D) 7.5 times

Question 10

Rank the fossil fuels below in terms of their carbon intensity from lowest to highest.

Accepted Answer

A) oil,coal,gas 
B) coal,oil,gas 
C) gas,oil,coal 
D) coal,gas,oil 
A) oil,coal,gas 
B) coal,oil,gas 
C) gas,oil,coal 
D) coal,gas,oil

Question 11

Which of the following countries produces roughly 20% of its electrical power from wind?

Accepted Answer

A) Iceland 
B) United States 
C) Denmark 
D) China 
A) Iceland 
B) United States 
C) Denmark 
D) China

Question 12

A quad is equivalent to

Accepted Answer

A) 1015 British thermal units. 
B) 10 British thermal units. 
C) 10100 British thermal units. 
D) 1 British thermal unit. 
A) 1015 British thermal units. 
B) 10 British thermal units. 
C) 10100 British thermal units. 
D) 1 British thermal unit.

Question 13

How much of the energy produced in the United States actually ends up producing useful work?

Accepted Answer

A) 80% 
B) 60% 
C) 40% 
D) 20% 
A) 80% 
B) 60% 
C) 40% 
D) 20%

Question 14

Nuclear energy is produced by

Accepted Answer

A) the fusion of uranium-235. 
B) the fission of uranium-235. 
C) the reaction of uranium-235 with uranium-238. 
D) the fusion of uranium-238. 
A) the fusion of uranium-235. 
B) the fission of uranium-235. 
C) the reaction of uranium-235 with uranium-238. 
D) the fusion of uranium-238.

Which of the following statements is true?

What is the current population of Earth?

The protective ozone layer is found in Earth's

Which fossil fuel will eventually become dominant in most countries?

At the current production rates,it is estimated that all of the known oil reserves will be consumed in

Which of the following will not reduce the emissions of greenhouse gases?

Which of the following cities is almost entirely heated with geothermal water (either directly or indirectly)?

How much of the global river sediment load is currently trapped because of human activity?

The United States consumes _______ more energy per person than the global average.

Rank the fossil fuels below in terms of their carbon intensity from lowest to highest.

Which of the following countries produces roughly 20% of its electrical power from wind?

A quad is equivalent to

How much of the energy produced in the United States actually ends up producing useful work?

Nuclear energy is produced by

The Earth System

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

Filters

Exam 23: The Human Impact of Earths Environment

Which of the following statements is true?

What is the current population of Earth?

The protective ozone layer is found in Earth's

Which fossil fuel will eventually become dominant in most countries?

At the current production rates,it is estimated that all of the known oil reserves will be consumed in

Which of the following will not reduce the emissions of greenhouse gases?

Which of the following cities is almost entirely heated with geothermal water (either directly or indirectly)?

How much of the global river sediment load is currently trapped because of human activity?

The United States consumes _______ more energy per person than the global average.

Rank the fossil fuels below in terms of their carbon intensity from lowest to highest.

Which of the following countries produces roughly 20% of its electrical power from wind?

A quad is equivalent to

How much of the energy produced in the United States actually ends up producing useful work?

Nuclear energy is produced by

The Earth System

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

Filters