Question 1

Carbon dioxide (CO₂) produced from human activities is amplifying Earth's natural greenhouse effect.

Accepted Answer

A) True 
 B)False

Question 2

The________ is the most recent epoch of repeated glaciation on the Earth.

Accepted Answer

A)  Holocene 
B)  Pleistocene 
C)  Pliocene 
D)  Miocene 
A)  Holocene 
B)  Pleistocene 
C)  Pliocene 
D)  Miocene

Question 3

Ice cores provide a climate record for the past ________ years.

Accepted Answer

A)  800,000 
B)  2 million 
C)  10 million 
D)  70 million 
A)  800,000 
B)  2 million 
C)  10 million 
D)  70 million

Question 4

Over the last two decades, the Antarctic ice sheet has lost mass. However, the Greenland ice sheet has actually gained mass due to increased winter precipitation.

Accepted Answer

A) True 
 B)False

Question 5

As ocean temperatures increase, the ability of oceans to dissolve CO₂ is diminished.

Accepted Answer

A) True 
 B)False

Question 6

The last interglacial period with temperatures similar to the present interglacial period was the

Accepted Answer

A)  Eemian interglacial. 
B)  Holstein interglacial. 
C)  Günz-Mindel interglacial. 
D)  Flandrian interglacial. 
A)  Eemian interglacial. 
B)  Holstein interglacial. 
C)  Günz-Mindel interglacial. 
D)  Flandrian interglacial.

Question 7

The Earth's climate cycles between warmer and colder periods.

Accepted Answer

A) True 
 B)False

Question 8

Some climate feedback loops, such as CO₂ weathering feedback, occur over very long time scales.

Accepted Answer

A) True 
 B)False

Question 9

Scientists use ________ to study past climates, using ________ to reconstruct climates that extend back further than our present instrumentation allows.

Accepted Answer

A)  proxy methods; climate proxies 
B)  direct measurements; historical records 
C)  indirect evidence; conjecture 
D)  computer models; algorithms 
A)  proxy methods; climate proxies 
B)  direct measurements; historical records 
C)  indirect evidence; conjecture 
D)  computer models; algorithms

Question 10

Increased atmospheric CO₂ may lead to plants in some regions of the world producing more leaves.

Accepted Answer

A) True 
 B)False

Question 11

The primary anthropogenic source of atmospheric carbon dioxide (CO₂ ) is

Accepted Answer

A)  clearing and burning land. 
B)  rice farming. 
C)  respiration. 
D)  burning of fossil fuels. 
A)  clearing and burning land. 
B)  rice farming. 
C)  respiration. 
D)  burning of fossil fuels.

Question 12

Which of the following is not an example of individuals and communities working to mitigate climate change?

Accepted Answer

A)  Tree planting in exchange for greenhouse gas credits 
B)  Leaving the decision-making to elected officials 
C)  Farmers using no-till agriculture 
D)  Protecting and restoring natural habitats 
E)  Using renewable energy sources 
A)  Tree planting in exchange for greenhouse gas credits 
B)  Leaving the decision-making to elected officials 
C)  Farmers using no-till agriculture 
D)  Protecting and restoring natural habitats 
E)  Using renewable energy sources

Question 13

Firsthand, reliable scientific measurements of climate only date back approximately 140 years.

Accepted Answer

A) True 
 B)False

Question 14

According to climate simulations using GCMs, natural climate forcing, alone, cannot account for the increases in global temperature trends.

Accepted Answer

A) True 
 B)False

Question 15

Ice cores provide a longer, but less detailed climate record than ocean sediment cores.

Accepted Answer

A) True 
 B)False

Question 16

The last glacial maximum (LGM) occurred approximately ________ years ago.

Accepted Answer

A)  10,000 
B)  20,000 
C)  50,000 
D)  110,000 
A)  10,000 
B)  20,000 
C)  50,000 
D)  110,000

Question 17

An estimated ________ people could be displaced by a sea level rise of 1.0 m (3.2 ft).

Accepted Answer

A)  1,000,000 
B)  10,000,000 
C)  100,000,000 
D)  130,000,000 
A)  1,000,000 
B)  10,000,000 
C)  100,000,000 
D)  130,000,000

Question 18

The interdisciplinary study of the causes and consequences of changing climate for all Earth systems and the sustainability of human societies is

Accepted Answer

A)  climate change science. 
B)  meteorology. 
C)  paleoclimatology. 
D)  climate policy. 
A)  climate change science. 
B)  meteorology. 
C)  paleoclimatology. 
D)  climate policy.

Question 19

Over the span of 70 million years, the Earth's climate

Accepted Answer

A)  was much warmer in the distant past than the present. 
B)  was much cooler in the distant past than the present. 
C)  has remained fairly constant, only showing a warming trend during the past 200 years. 
D)  was warmest approximately 10 million years ago and coolest about 56 million years ago. 
A)  was much warmer in the distant past than the present. 
B)  was much cooler in the distant past than the present. 
C)  has remained fairly constant, only showing a warming trend during the past 200 years. 
D)  was warmest approximately 10 million years ago and coolest about 56 million years ago.

Question 20

What are some examples of positive and negative climate feedback loops?

Accepted Answer

Answers will vary. An example of a posit

Carbon dioxide (CO₂) produced from human activities is amplifying Earth's natural greenhouse effect.

The________ is the most recent epoch of repeated glaciation on the Earth.

Ice cores provide a climate record for the past ________ years.

Over the last two decades, the Antarctic ice sheet has lost mass. However, the Greenland ice sheet has actually gained mass due to increased winter precipitation.

As ocean temperatures increase, the ability of oceans to dissolve CO₂ is diminished.

The last interglacial period with temperatures similar to the present interglacial period was the

The Earth's climate cycles between warmer and colder periods.

Some climate feedback loops, such as CO₂ weathering feedback, occur over very long time scales.

Scientists use to study past climates, using to reconstruct climates that extend back further than our present instrumentation allows.

Increased atmospheric CO₂ may lead to plants in some regions of the world producing more leaves.

The primary anthropogenic source of atmospheric carbon dioxide (CO₂ ) is

Which of the following is not an example of individuals and communities working to mitigate climate change?

Firsthand, reliable scientific measurements of climate only date back approximately 140 years.

According to climate simulations using GCMs, natural climate forcing, alone, cannot account for the increases in global temperature trends.

Ice cores provide a longer, but less detailed climate record than ocean sediment cores.

The last glacial maximum (LGM) occurred approximately ________ years ago.

An estimated ________ people could be displaced by a sea level rise of 1.0 m (3.2 ft).

The interdisciplinary study of the causes and consequences of changing climate for all Earth systems and the sustainability of human societies is

Over the span of 70 million years, the Earth's climate

What are some examples of positive and negative climate feedback loops?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 11: Climate Change

Carbon dioxide (CO₂) produced from human activities is amplifying Earth's natural greenhouse effect.

The________ is the most recent epoch of repeated glaciation on the Earth.

Ice cores provide a climate record for the past ________ years.

Over the last two decades, the Antarctic ice sheet has lost mass. However, the Greenland ice sheet has actually gained mass due to increased winter precipitation.

As ocean temperatures increase, the ability of oceans to dissolve CO₂ is diminished.

The last interglacial period with temperatures similar to the present interglacial period was the

The Earth's climate cycles between warmer and colder periods.

Some climate feedback loops, such as CO₂ weathering feedback, occur over very long time scales.

Scientists use ________ to study past climates, using ________ to reconstruct climates that extend back further than our present instrumentation allows.

Increased atmospheric CO₂ may lead to plants in some regions of the world producing more leaves.

The primary anthropogenic source of atmospheric carbon dioxide (CO₂ ) is

Which of the following is not an example of individuals and communities working to mitigate climate change?

Firsthand, reliable scientific measurements of climate only date back approximately 140 years.

According to climate simulations using GCMs, natural climate forcing, alone, cannot account for the increases in global temperature trends.

Ice cores provide a longer, but less detailed climate record than ocean sediment cores.

The last glacial maximum (LGM) occurred approximately ________ years ago.

An estimated ________ people could be displaced by a sea level rise of 1.0 m (3.2 ft).

The interdisciplinary study of the causes and consequences of changing climate for all Earth systems and the sustainability of human societies is

Over the span of 70 million years, the Earth's climate

What are some examples of positive and negative climate feedback loops?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Scientists use to study past climates, using to reconstruct climates that extend back further than our present instrumentation allows.