Sustainability — Unit test Answers

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1
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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.
2
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Which of the following practices will lead to sustainability?

A
increased groundwater pumping
B
fossil fuel use
C
conservation tillage
D
increased pesticide use
4

In a food chain, consumers gather energy by _______.

A
consuming organisms at a lower trophic level
B
consuming organisms at a higher trophic level
C
decomposing dead organic matter
D
absorbing sunlight directly
5

The goal of the world resource simulation center is best described as _______.

A
solving current problems regarding world resource use
B
predicting the future impacts of resource use in the U.S.
C
determining how to manage global resources for all humanity
D
providing education tools for describing global resource use
6

Most of the costs associated with using renewable resources are due to _______.

A
overuse of resources
B
atmospheric pollution
C
lack of availability
D
global warming
7

Which of the following statements about biofuels is true?

A
Biofuels are composed of 100% renewable materials.
B
Algae is the leading source of biofuels.
C
Energy processing from corn biofuels is not energy efficient.
D
Corn is the only source of biofuels.
8

Which of the following is not a consequence of the onset of early spring events?

A
flowering
B
acidic ocean water
C
fruit ripening
D
hatching eggs
9

What is the main advantage to using satellites to measure climate change?

A
They can measure aspects of climate globally.
B
They are unaffected by the weather conditions they measure.
C
They are a universal tool for measuring all factors of climate.
D
They can measure the amount of rainfall a specific area receives.
10

Natural disasters can have positive effects on an ecosystem.

A
T
B
F
13

Which of the following alternative energy technologies is most likely to be used to power a car?

A
wind
B
geothermal
C
biofuel
D
hydropower
14

How are the carbon, nitrogen, and oxygen cycles similar?

A
They are all biogeochemical cycles.
B
They all involve an interaction between living and nonliving elements.
C
They are all part of the Earth system.
D
All of the above.
15

Manmade global warming is caused by _______.

A
pollution
B
water vapor
C
farms
D
species extinction
16

Which of the following would not cause habitat change?

A
building a dam on a river
B
a hurricane
C
introducing new hiking trails
D
none of the above
17

The small increase in global oil production coupled with an increased demand for those resources leads to _______.

A
lack of modern energy sources
B
increased prices
C
decreased competition
D
decreased prices
18

Which of the following best describes the impact of glaciers upon the surface of the earth?

A
Ice buried continents under a few hundred feet of ice.
B
Glaciers scraped across the surface and altered landscapes and the course of rivers.
C
The passage of glaciers created new ecosystems.
D
All of the above.
19

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.
20

What is the main advantage to using satellites to measure climate change?

A
They can measure aspects of climate globally.
B
They are unaffected by the weather conditions they measure.
C
They are a universal tool for measuring all factors of climate.
D
They can measure the amount of rainfall a specific area receives.

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