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ENV 101 Graded Exams 1–4 – Environmental Science
– (2026/2027) Actual Verified Questions & Answers
(StraighterLine) 100% Guarantee Pass
Hazardous waste includes all of the following EXCEPT
a) all of these are air pollutants given from coal
b) sulfur dioxide
c) mercury
d) lead - Answer-a) all of these are air pollutants given
from coal
Which of the following air pollutants does coal NOT
produce when burned?
a) All of these are air pollutants given from coal
b) Sulfur Dioxide
c) Mercury
d) Lead - Answer-a) all of these are air pollutants given
from coal
The item with the highest percentage recycled in the US is
- Answer-car batteries
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Which of the 3 Rs has the most environmental impact? -
Answer-reducing
Which provides the least amount of useful energy when
burned?
a) natural gas
b) coal
c) oil - Answer-b) coal
How long will the proven global oil reserves last at the
current consumption rate? - Answer-40 years
Water use by fracking companies can be best described
as - Answer-signficant and concerning because thousands
of gallons of water are contaminated every day during the
fracking process.
Fracking fluid is NOT composed of which of the following?
- Answer-algae
Methane hydrates are - Answer-methane molecules
trapped in frozen water under the ocean.
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A slowly growing number of cities and companies are
sending their waste, including construction debris, to
_______ recyclers that can sell up to 97% of the debris it
receives. - Answer-commercial
Which of these is NOT a way to deal with hazardous
waste? - Answer-Mix it with water to dilute the
concentration
In recent decades, unregulated open dumps have
___________ in developing countries. - Answer-remained
the primary disposal method
Many cities have banned yard waste due to limited landfill
space. Instead this material should be - Answer-
composted
Variables that impact recycling include
a) recovery costs
b) the price difference between new and recycled
materials
c) consumer demand
d) all of the above - Answer-d) all of the above
ENV 101 Graded Exams 1–4 – Environmental Science
– (2026/2027) Actual Verified Questions & Answers
(StraighterLine) 100% Guarantee Pass
Hazardous waste includes all of the following EXCEPT
a) all of these are air pollutants given from coal
b) sulfur dioxide
c) mercury
d) lead - Answer-a) all of these are air pollutants given
from coal
Which of the following air pollutants does coal NOT
produce when burned?
a) All of these are air pollutants given from coal
b) Sulfur Dioxide
c) Mercury
d) Lead - Answer-a) all of these are air pollutants given
from coal
The item with the highest percentage recycled in the US is
- Answer-car batteries
,2|Page
Which of the 3 Rs has the most environmental impact? -
Answer-reducing
Which provides the least amount of useful energy when
burned?
a) natural gas
b) coal
c) oil - Answer-b) coal
How long will the proven global oil reserves last at the
current consumption rate? - Answer-40 years
Water use by fracking companies can be best described
as - Answer-signficant and concerning because thousands
of gallons of water are contaminated every day during the
fracking process.
Fracking fluid is NOT composed of which of the following?
- Answer-algae
Methane hydrates are - Answer-methane molecules
trapped in frozen water under the ocean.
, 3|Page
A slowly growing number of cities and companies are
sending their waste, including construction debris, to
_______ recyclers that can sell up to 97% of the debris it
receives. - Answer-commercial
Which of these is NOT a way to deal with hazardous
waste? - Answer-Mix it with water to dilute the
concentration
In recent decades, unregulated open dumps have
___________ in developing countries. - Answer-remained
the primary disposal method
Many cities have banned yard waste due to limited landfill
space. Instead this material should be - Answer-
composted
Variables that impact recycling include
a) recovery costs
b) the price difference between new and recycled
materials
c) consumer demand
d) all of the above - Answer-d) all of the above
