ENVR 1301 Exam 3 Questions with Correct Answers Latest Update 2025/2026
How much of the water on Earth is accessible, usable, freshwater? - Answers 1%
Reservoirs - Answers Ocean, Fresh Surface Water, Fresh Groundwater, Soil Water, Biosphere
(plant water), Atmosphere.
Transfer Processes - Answers Evaporation, Condensation, Run-off, Uptake by Plants,
Transpiration, Precipitation, Infiltration, Spring flow.
Hydraulic Cycle - Answers the process that moves water from one reservoir to another.
Purification - Answers Service accomplished by transfer process like evaporation and infiltration,
that separate water from it solutes and particles
What 2 elements make up the majority of Earth's atmosphere - Answers Oxygen (21%) and
Nitrogen (78%)
What are the 4 layers of earths atmosphere - Answers Troposphere, Stratosphere, Mesosphere,
Thermosphere
Points Source - Answers Emits pollution from a specific location
Non-point source - Answers Emits pollution from multiple widespread sources
Primary Pollutants - Answers Direct products of combustion and evaporation
Secondary Pollutants - Answers Derived from reactions (In atmosphere) with with primary
pollutants
Sources of Particulate Matter (PM) - Answers Wind erosion, wildfires, and combustion of fossil
fuels and burning vegetation
Consequences of Particulate Matter (PM) - Answers damaging lungs, reduces visibility,
contributes to industrial smog
Sources of Sulfur dioxide (SO2) - Answers Burning Sulfur containing fossil fuels
Consequences of Sulfur Dioxide (SO2) - Answers damages lungs, forms acid rain (Sulfuric Acid),
and industrial smog.
Sources of Volatile Organic Compounds (VOC's) - Answers ncomplete combustion of fossil
fuels, evaporation of solvents and gasoline
Consequences of Volatile Organic Compounds (VOC's) - Answers Cancer and photochemical
smog
Sources of Nitrogen Oxides (NOx) - Answers Burning fossil fuels and wood
How much of the water on Earth is accessible, usable, freshwater? - Answers 1%
Reservoirs - Answers Ocean, Fresh Surface Water, Fresh Groundwater, Soil Water, Biosphere
(plant water), Atmosphere.
Transfer Processes - Answers Evaporation, Condensation, Run-off, Uptake by Plants,
Transpiration, Precipitation, Infiltration, Spring flow.
Hydraulic Cycle - Answers the process that moves water from one reservoir to another.
Purification - Answers Service accomplished by transfer process like evaporation and infiltration,
that separate water from it solutes and particles
What 2 elements make up the majority of Earth's atmosphere - Answers Oxygen (21%) and
Nitrogen (78%)
What are the 4 layers of earths atmosphere - Answers Troposphere, Stratosphere, Mesosphere,
Thermosphere
Points Source - Answers Emits pollution from a specific location
Non-point source - Answers Emits pollution from multiple widespread sources
Primary Pollutants - Answers Direct products of combustion and evaporation
Secondary Pollutants - Answers Derived from reactions (In atmosphere) with with primary
pollutants
Sources of Particulate Matter (PM) - Answers Wind erosion, wildfires, and combustion of fossil
fuels and burning vegetation
Consequences of Particulate Matter (PM) - Answers damaging lungs, reduces visibility,
contributes to industrial smog
Sources of Sulfur dioxide (SO2) - Answers Burning Sulfur containing fossil fuels
Consequences of Sulfur Dioxide (SO2) - Answers damages lungs, forms acid rain (Sulfuric Acid),
and industrial smog.
Sources of Volatile Organic Compounds (VOC's) - Answers ncomplete combustion of fossil
fuels, evaporation of solvents and gasoline
Consequences of Volatile Organic Compounds (VOC's) - Answers Cancer and photochemical
smog
Sources of Nitrogen Oxides (NOx) - Answers Burning fossil fuels and wood
