LSU ENVS 1126 Final Exam Latest 2026 Updated
Questions and Verified 100% Solutions (2026/2027)
Grade: A+|Status: Guaranteed Pass
B.) Pests becoming resistant to pesticide so larger quantities are needed - Answers -What does
the pesticide treadmill refer to?
A.) Pests getting larger when more pesticide is added
B.) Pests becoming resistant to pesticide so larger quantities are needed
C.) As pests get bigger, people run away from them faster
D.)Pests always being killed by pesticides
B.) Resource partitioning - Answers -_______________________ makes it possible for different
species to coexist
A.) Competitive exclusion principle
B.) Resource partitioning
C.) Migration
D.) Selective pressure
B.) Secondary recovery - Answers -If most oil in an oil well has already been removed,
___________ can remove even more oil by injecting steam or brine into the well
A.) Primary recovery
1|Page
,B.) Secondary recovery
C.) External recovery
D.) Strategic oil reserve
B.) Something like a farm where fertilizer washes off in the rain - Answers -One reason it is hard
to solve the dead zone issue is because the pollution comes from non-point sources. What is a
non-point source?
A.) Something like a pipe where wastewater from a factory is discharged
B.) Something like a farm where fertilizer washes off in the rain
C.) A source that is originally not polluting, but becomes polluting
D.) A source that is originally polluting, but becomes non-polluting
B.) Stratosphere; troposphere - Answers -In the _____ temperature increases with altitude, and
in the _____ temperature decreases with altitude
A.) Troposphere; stratosphere
B.) Stratosphere; troposphere
C.) Largosphere; stratosphere
D.) Troposphere; catosphere
B.) The EPA develops rules and regulations based on laws passed by Congress - Answers -How
does the EPA affect environmental policy?
2|Page
, A.) The EPA passes laws that control environmental regulations
B.) The EPA develops rules and regulations based on laws passed by Congress
C.) The EPA determines which laws passed by the Judicial Branch apply to environmental policy
B.) The highest rate of use that a system can match - Answers -The maximum sustainable yield is
A.) Based on how much catch is coming in a season
B.) The highest rate of use that a system can match
C.)Easy to calculate with certainty
D.) Government propaganda
B.) The levels were calculated for people 5'8" and 140 lbs - Answers -The EPA's limit on Arsenic
in drinking water is 50 mg/L. Why might this be too high?
A.) It was determined for plants instead of people
B.) The levels were calculated for people 5'8" and 140 lbs
C.) The levels were calculated for infants
D.) Arsenic reacts with hydroxyl radicals forming more toxic compounds
B.) They undergo chemical reactions that destroy ozone - Answers -Why are Bromine and
Chlorine a concern in the stratosphere?
A.) They are carcinogens
B.) They undergo chemical reactions that destroy ozone
3|Page
Questions and Verified 100% Solutions (2026/2027)
Grade: A+|Status: Guaranteed Pass
B.) Pests becoming resistant to pesticide so larger quantities are needed - Answers -What does
the pesticide treadmill refer to?
A.) Pests getting larger when more pesticide is added
B.) Pests becoming resistant to pesticide so larger quantities are needed
C.) As pests get bigger, people run away from them faster
D.)Pests always being killed by pesticides
B.) Resource partitioning - Answers -_______________________ makes it possible for different
species to coexist
A.) Competitive exclusion principle
B.) Resource partitioning
C.) Migration
D.) Selective pressure
B.) Secondary recovery - Answers -If most oil in an oil well has already been removed,
___________ can remove even more oil by injecting steam or brine into the well
A.) Primary recovery
1|Page
,B.) Secondary recovery
C.) External recovery
D.) Strategic oil reserve
B.) Something like a farm where fertilizer washes off in the rain - Answers -One reason it is hard
to solve the dead zone issue is because the pollution comes from non-point sources. What is a
non-point source?
A.) Something like a pipe where wastewater from a factory is discharged
B.) Something like a farm where fertilizer washes off in the rain
C.) A source that is originally not polluting, but becomes polluting
D.) A source that is originally polluting, but becomes non-polluting
B.) Stratosphere; troposphere - Answers -In the _____ temperature increases with altitude, and
in the _____ temperature decreases with altitude
A.) Troposphere; stratosphere
B.) Stratosphere; troposphere
C.) Largosphere; stratosphere
D.) Troposphere; catosphere
B.) The EPA develops rules and regulations based on laws passed by Congress - Answers -How
does the EPA affect environmental policy?
2|Page
, A.) The EPA passes laws that control environmental regulations
B.) The EPA develops rules and regulations based on laws passed by Congress
C.) The EPA determines which laws passed by the Judicial Branch apply to environmental policy
B.) The highest rate of use that a system can match - Answers -The maximum sustainable yield is
A.) Based on how much catch is coming in a season
B.) The highest rate of use that a system can match
C.)Easy to calculate with certainty
D.) Government propaganda
B.) The levels were calculated for people 5'8" and 140 lbs - Answers -The EPA's limit on Arsenic
in drinking water is 50 mg/L. Why might this be too high?
A.) It was determined for plants instead of people
B.) The levels were calculated for people 5'8" and 140 lbs
C.) The levels were calculated for infants
D.) Arsenic reacts with hydroxyl radicals forming more toxic compounds
B.) They undergo chemical reactions that destroy ozone - Answers -Why are Bromine and
Chlorine a concern in the stratosphere?
A.) They are carcinogens
B.) They undergo chemical reactions that destroy ozone
3|Page
