ENVS 1126/ EXAM 3/ SNYDER/ LSU
EXAM WITH CORRECT QUESTIONS
AND ANSWERS 2025
The energy in fossil fuels comes from ____ - CORRECT-ANSWERSThe sun
As of 2018 which energy source provides the most of the worlds total energy supply (remember
that total energy includes electricity production, industrial use and transportation)? - CORRECT-
ANSWERSOil
what are some of the major environmental problems with fossil fuels? - CORRECT-ANSWERS-
health effects on combustion
-carbon dioxide & methane (climate change)
-Oil extraction (how they are removed from earth)
which of the 3 main fossil fuels has the lowest carbon dioxide emissions per unit of energy
produced? - CORRECT-ANSWERSNatural gas
, imagine your town needs a new power plant. You can build a coal plant, a nuclear plant, or a
natural gas plant. Which one has the greatest NEGATIVE impact on your local air quality? -
CORRECT-ANSWERSCoal Plant
The deepwater horizon disaster was a - CORRECT-ANSWERSLargest oil spill ever (gulf of Mexico)
most electricity on earth is generated by - CORRECT-ANSWERScoal
nuclear reactors use which fuel? - CORRECT-ANSWERSuranium
what is the role of the moderator in a nuclear reactor? - CORRECT-ANSWERSpressurized water
reactors keep the boiler water seperate from the reactor, which allows this water to be kept
free of radio activity
in most U.S nuclear reactors, water provides two functions. Which two things does water do? -
CORRECT-ANSWERS-water is either boiled or pressurized to drive conventional turbogenerators
-water is also used as the moderator to slow down neutrons
EXAM WITH CORRECT QUESTIONS
AND ANSWERS 2025
The energy in fossil fuels comes from ____ - CORRECT-ANSWERSThe sun
As of 2018 which energy source provides the most of the worlds total energy supply (remember
that total energy includes electricity production, industrial use and transportation)? - CORRECT-
ANSWERSOil
what are some of the major environmental problems with fossil fuels? - CORRECT-ANSWERS-
health effects on combustion
-carbon dioxide & methane (climate change)
-Oil extraction (how they are removed from earth)
which of the 3 main fossil fuels has the lowest carbon dioxide emissions per unit of energy
produced? - CORRECT-ANSWERSNatural gas
, imagine your town needs a new power plant. You can build a coal plant, a nuclear plant, or a
natural gas plant. Which one has the greatest NEGATIVE impact on your local air quality? -
CORRECT-ANSWERSCoal Plant
The deepwater horizon disaster was a - CORRECT-ANSWERSLargest oil spill ever (gulf of Mexico)
most electricity on earth is generated by - CORRECT-ANSWERScoal
nuclear reactors use which fuel? - CORRECT-ANSWERSuranium
what is the role of the moderator in a nuclear reactor? - CORRECT-ANSWERSpressurized water
reactors keep the boiler water seperate from the reactor, which allows this water to be kept
free of radio activity
in most U.S nuclear reactors, water provides two functions. Which two things does water do? -
CORRECT-ANSWERS-water is either boiled or pressurized to drive conventional turbogenerators
-water is also used as the moderator to slow down neutrons
