ENVS 1126 LSU EXAM 2 STUDY GUIDE
2025/2026 ACCURATE QUESTIONS AND
VERIFIED CORRECT SOLUTIONS WITH
RATIONALES || 100% GUARANTEED PASS
<LATEST VERSION>
1. The price of gas today is very low. Which one of the following is a potential
unfavorable environmental outcome that could result from today's low gas
prices. - ANSWER ✓ Lower prices could encourage drivers to take more
frequent and-or longer road trips.
2. This is not a consequence of urban sprawl: - ANSWER ✓ Lower incidence
of obesity and high blood pressure
3. How might coral bleaching in the ocean be caused by urban sprawl? -
ANSWER ✓ Cutting down trees-->Decreased removal of CO2 from
atmosphere-->increased CO2 in atmosphere-->increased CO2 in ocean--
>decreased ocean pH-->unhappy zooxanthellae (colorful symbiotic algae)--
>Algae and color go away
4. Which one of the following most likely describes (and provides an example
of) a city with a high degree of urban blight and a low degree of urban
sprawl? - ANSWER ✓ Low car ownership levels, high density housing,
strained public resources, less air pollution e.g., New York, NY
5. The ability of an ecosystem to replenish itself leads to - ANSWER ✓
Sustainability
6. When completed, the Comprehensive Everglades Restoration Plan will -
ANSWER ✓ Redirect much of the water flow southward
7. We can expect that as mangroves continue to be destroyed worldwide -
ANSWER ✓ coastal erosion will increase.
,8. .Compared to forests using sustainable forest management, commercial
forests managed for maximum sustainable yield of commercially valuable
species will most likely - ANSWER ✓ have greater erosion problems.
9. The growth of the global fish harvest in the last 20 years has mostly been
due to increases in what? - ANSWER ✓ aquaculture
10.An example of consumptive use of a natural resource is ____. - ANSWER ✓
wild boar (pigs) hunted for personal use (eating)
11.The maximum population of a given species that an ecosystem can support
without being degraded or destroyed in the long run is called - ANSWER ✓
Carrying Capacity
12.The maximum sustainable yield for most populations must be recalculated
every year because - ANSWER ✓ Changing environmental conditions
create variations in carrying capacity
13.Maximum Sustainable yield is ____. - ANSWER ✓ The maximum amount
of a resource that can be taken out while the system
still maintains or replenishes.
14.Chapter 15 A uranium-235 fueled nuclear power plant emits about
___________ as much radioactivity as a coal-burning power plant that
produces the same amount of electricity.
a. 100 times
b. one percent
c. 10 times
d. 10 percent - ANSWER ✓ one percent
15.Chapter 1 Consider the following statements: (I) In any energy conversion,
some of the usable energy is always lost (II) Energy is neither created nor
destroyed, but it may be converted from one form to another, (III) Systems
will go spontaneously in one direction only, toward increasing entropy.
Which of these are statements of the second law of thermodynamics?
a. I, II, and III
, b. I and II
c. II and III
d. I and III - ANSWER ✓ I and II
16.Chapter 14 Carbon dioxide emissions by which one of the following
countries have decreased the most since 2005?
a. United States
b. India
c. Russia
d. China - ANSWER ✓ United States
17.Chapter 12 Golden rice is a cultivar of rice that was genetically modified to
address problems associated with diets that are deficient in vitamin A.
Golden rice is enriched with which one of the following?
a. astaxanthin
b. lutein
c. zeaxanthin
d. beta carotene - ANSWER ✓ beta carotene
18.Chapter 14 The United States has extensive deposits of ________________
in Colorado, Texas, Utah, and Wyoming that, if exploited, could yield the
equivalent of an estimated 800 billion barrels of oil.
a. tar sands
b. oil shale
c. shale gas
d. bitumen - ANSWER ✓ oil shale
19.A declining dependency ratio_________.
a. requires decreased spending on education but increased costs
associated with old-age medical expenses.
b. permits decreased spending on education and old-age medical
expenses.
c. requires increased spending on education and old-age medical
expenses.
, d. requires increased spending on education but decreased costs
associated with old-age medical expenses. - ANSWER ✓ B. permits
decreased spending on education and old-age medical expenses.
20.A person who dies of a heart attack at the age of 93 is more likely to have
lived in a
a. developing country.
b. developed country.
c. country in South America.
d. country located near the equator. - ANSWER ✓ B. developed country.
21.As a cold front moves into an area of warm, moist air, we would expect to
see cloud formations as
a. evaporation and transpiration increase.
b. the cold air rises and condenses.
c. the warm air rises and condenses.
d. high altitude air masses fall and condense. - ANSWER ✓ C. the warm
air rises and condenses.
22.As environmental systems have declined, human well-being has improved.
What is the most probable reason for this "Environmentalist's Paradox"?
a. Enhanced food production has outweighed declines in ecosystem
services.
b. Humans are adapted to degraded environments.
c. Human well-being has not been measured properly and in fact has not
improved.
d. Degradation of environmental systems has not been measured
properly and in fact has not declined. - ANSWER ✓ A. Enhanced
food production has outweighed declines in ecosystem services.
23.At the mouth of the Mississippi River, large concentrations of nitrogen and
phosphorus flow into the Gulf of Mexico, causing nutrient overloading, algal
blooms, and extremely low levels of oxygen. One of the major revolutions in
human history, the ___________ __________________, is most responsible
for this problem.
2025/2026 ACCURATE QUESTIONS AND
VERIFIED CORRECT SOLUTIONS WITH
RATIONALES || 100% GUARANTEED PASS
<LATEST VERSION>
1. The price of gas today is very low. Which one of the following is a potential
unfavorable environmental outcome that could result from today's low gas
prices. - ANSWER ✓ Lower prices could encourage drivers to take more
frequent and-or longer road trips.
2. This is not a consequence of urban sprawl: - ANSWER ✓ Lower incidence
of obesity and high blood pressure
3. How might coral bleaching in the ocean be caused by urban sprawl? -
ANSWER ✓ Cutting down trees-->Decreased removal of CO2 from
atmosphere-->increased CO2 in atmosphere-->increased CO2 in ocean--
>decreased ocean pH-->unhappy zooxanthellae (colorful symbiotic algae)--
>Algae and color go away
4. Which one of the following most likely describes (and provides an example
of) a city with a high degree of urban blight and a low degree of urban
sprawl? - ANSWER ✓ Low car ownership levels, high density housing,
strained public resources, less air pollution e.g., New York, NY
5. The ability of an ecosystem to replenish itself leads to - ANSWER ✓
Sustainability
6. When completed, the Comprehensive Everglades Restoration Plan will -
ANSWER ✓ Redirect much of the water flow southward
7. We can expect that as mangroves continue to be destroyed worldwide -
ANSWER ✓ coastal erosion will increase.
,8. .Compared to forests using sustainable forest management, commercial
forests managed for maximum sustainable yield of commercially valuable
species will most likely - ANSWER ✓ have greater erosion problems.
9. The growth of the global fish harvest in the last 20 years has mostly been
due to increases in what? - ANSWER ✓ aquaculture
10.An example of consumptive use of a natural resource is ____. - ANSWER ✓
wild boar (pigs) hunted for personal use (eating)
11.The maximum population of a given species that an ecosystem can support
without being degraded or destroyed in the long run is called - ANSWER ✓
Carrying Capacity
12.The maximum sustainable yield for most populations must be recalculated
every year because - ANSWER ✓ Changing environmental conditions
create variations in carrying capacity
13.Maximum Sustainable yield is ____. - ANSWER ✓ The maximum amount
of a resource that can be taken out while the system
still maintains or replenishes.
14.Chapter 15 A uranium-235 fueled nuclear power plant emits about
___________ as much radioactivity as a coal-burning power plant that
produces the same amount of electricity.
a. 100 times
b. one percent
c. 10 times
d. 10 percent - ANSWER ✓ one percent
15.Chapter 1 Consider the following statements: (I) In any energy conversion,
some of the usable energy is always lost (II) Energy is neither created nor
destroyed, but it may be converted from one form to another, (III) Systems
will go spontaneously in one direction only, toward increasing entropy.
Which of these are statements of the second law of thermodynamics?
a. I, II, and III
, b. I and II
c. II and III
d. I and III - ANSWER ✓ I and II
16.Chapter 14 Carbon dioxide emissions by which one of the following
countries have decreased the most since 2005?
a. United States
b. India
c. Russia
d. China - ANSWER ✓ United States
17.Chapter 12 Golden rice is a cultivar of rice that was genetically modified to
address problems associated with diets that are deficient in vitamin A.
Golden rice is enriched with which one of the following?
a. astaxanthin
b. lutein
c. zeaxanthin
d. beta carotene - ANSWER ✓ beta carotene
18.Chapter 14 The United States has extensive deposits of ________________
in Colorado, Texas, Utah, and Wyoming that, if exploited, could yield the
equivalent of an estimated 800 billion barrels of oil.
a. tar sands
b. oil shale
c. shale gas
d. bitumen - ANSWER ✓ oil shale
19.A declining dependency ratio_________.
a. requires decreased spending on education but increased costs
associated with old-age medical expenses.
b. permits decreased spending on education and old-age medical
expenses.
c. requires increased spending on education and old-age medical
expenses.
, d. requires increased spending on education but decreased costs
associated with old-age medical expenses. - ANSWER ✓ B. permits
decreased spending on education and old-age medical expenses.
20.A person who dies of a heart attack at the age of 93 is more likely to have
lived in a
a. developing country.
b. developed country.
c. country in South America.
d. country located near the equator. - ANSWER ✓ B. developed country.
21.As a cold front moves into an area of warm, moist air, we would expect to
see cloud formations as
a. evaporation and transpiration increase.
b. the cold air rises and condenses.
c. the warm air rises and condenses.
d. high altitude air masses fall and condense. - ANSWER ✓ C. the warm
air rises and condenses.
22.As environmental systems have declined, human well-being has improved.
What is the most probable reason for this "Environmentalist's Paradox"?
a. Enhanced food production has outweighed declines in ecosystem
services.
b. Humans are adapted to degraded environments.
c. Human well-being has not been measured properly and in fact has not
improved.
d. Degradation of environmental systems has not been measured
properly and in fact has not declined. - ANSWER ✓ A. Enhanced
food production has outweighed declines in ecosystem services.
23.At the mouth of the Mississippi River, large concentrations of nitrogen and
phosphorus flow into the Gulf of Mexico, causing nutrient overloading, algal
blooms, and extremely low levels of oxygen. One of the major revolutions in
human history, the ___________ __________________, is most responsible
for this problem.
