AnswersSC332 Environmental Science BClimate and Change in Ecosystems

Global Change Answers

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1
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The scientific community disagrees about _______.

A
the rate of global climate change
B
the occurrence of global warming
C
the need for action
D
all of the above
3

Which of the following theories concerning global climate change is the most widely accepted?

A
Changes in the global climate will lead to an increase in extreme weather and flooding.
B
Global climate is changing due to burning of fossil fuels and deforestation.
C
Global climate change will happen rapidly.
D
Extra carbon dioxide and global warming will be beneficial.
4

Explain how scientists can have multiple theories about the effects of global warming.

Answer:

Scientists use different climate models and assumptions about feedback loops, making multiple plausible predictions about temperature rise, weather, and ecosystems possible.

5

In New Hampshire, the length of time ice covers on Mirror Lake each year has declined by _______.

A
1/2 day per year
B
1 day per year
C
1 1/2 days per year
D
2 days per year
6

What are the predicted consequences of legislation for global warming on industry?

Answer:

It is predicted that legislation for global warming will actually have positive effects on industry. New jobs will be created through the introduction of new technology and processes and businesses should save money through pollution reducing practices and technology.

7

Explain how an increase of the annual melt season in Antarctica can have global effects.

Answer:

An increase in Antarctica's annual melt season adds freshwater to oceans, raising global sea levels which affects coastal regions worldwide and disrupts ocean currents.

8

Which of the following local environmental changes will not have global effects?

A
decline of glacial ice in Russia
B
an increase in the annual melt season in the Antarctic peninsula
C
the early arrival of spring in New Hampshire
D
none of the above
9

Explain how local environmental changes can have global effects.

Answer:

Local changes such as melting glaciers or regional deforestation can alter ocean salinity or atmospheric CO2, which propagates through global climate systems and affects distant regions.

10

What are some possible future changes in the global climate?

Answer:

Possible changes include continued global temperature rise, more frequent extreme weather events, rising sea levels, shifts in ecosystems, and altered precipitation patterns.

11

What are some possible future changes in the global climate?

Answer not available
12

Explain how local environmental changes can have global effects.

Answer not available
13

Which of the following predictions about global climate change is directly related to an increase in the burning of fossil fuels?

A
increased extreme weather
B
decreased food supply
C
global warming
D
falling sea levels
14

Which of the following local environmental changes will not have global effects?

A
decline of glacial ice in Russia
B
an increase in the annual melt season in the Antarctic peninsula
C
the early arrival of spring in New Hampshire
D
none of the above
15

Which of the following theories concerning global climate change is the most widely accepted?

A
Changes in the global climate will lead to an increase in extreme weather and flooding.
B
Global climate is changing due to burning of fossil fuels and deforestation.
C
Global climate change will happen rapidly.
D
Extra carbon dioxide and global warming will be beneficial.
16

Explain how an increase of the annual melt season in Antarctica can have global effects.

Answer not available
17

In New Hampshire, the length of time ice covers on Mirror Lake each year has declined by _______.

A
1/2 day per year
B
1 day per year
C
1 1/2 days per year
D
2 days per year
18

What are the predicted consequences of legislation for global warming on industry?

Answer not available
19

The scientific community disagrees about _______.

A
the rate of global climate change
B
the occurrence of global warming
C
the need for action
D
all of the above
20

Explain how scientists can have multiple theories about the effects of global warming.

Answer not available

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