NATS-101 Sect. 31, 45h Ersatz Quiz 6
FOR M/C SELECT SINGLE
BEST ANSWER AMONG CHOICES
The quiz will cover lecture material from April 18 to 25
(301-340, 343-380, 466-483, of Mackenzie)
____1. Living
trees contribute naturally to tropospheric pollution
(specifically photochemical smog) by their emission of which of the following?
A. oxygen B.
CO2 C.
ozone
D. VOC's
____2. In the
_________ NOx promotes formation of ozone,
but in the ___________ NOx promotes
destruction of ozone.
A. troposphere, stratosphere C. stratosphere, troposphere
B. lithosphere, troposphere D. stratosphere,
hydrosphere
____3. In
general, over the past 4 decades acid rain in the Northeast is dominated by (2) , whereas acid rain in the West is
more likely derived from (2) .
A. (1) nitric acid, (2) carbonic acid C. (1)
sulfuric acid, (2) nitric acid
B. (1) carbonic acid, (2) sulfuric acid D. (1) nitric acid, (2)
sulfuric acid
____4. "Pure" rain does
not have neutral pH (=7), but rather a pH of about 5.6, mainly because of
___________________.
A.
lactic acid B.
carbonic acid C. nitric
acid D. sulfuric
acid
____5. Which of the following is a primary
pollutant (ie, it comes right out of a tailpipe or
smokestack)?
A.
sulfuric acid B. ozone C. carbon monoxide D. nitric acid
____6. During fossil-fuel
combustion, which of the following pollutants originates nearly completely from
the composition of the air rather than from the composition of fossil fuels?
A.
particulates C.
carbon monoxide E.
sulfur dioxide
B. VOC's D.
nitrogen oxides F.
ozone
7. Auto emissions testing
is primarily geared at certifying removal of (1) from auto exhaust to reduce the formation of tropospheric ozone, whereas catalytic converters are geared
to remove (2)______ from the exhaust.
A.
(1) VOCs, NOx, Cl (2) SO2, sunlight, CO C. (1) VOCs,
CO, particulates (2) VOCs,
NOx, CO
B.
(1) VOCs, SO2, CO (2) SO2, VOCs, CO D. (1) VOCs, NOx, CO (2) VOCs, CO
8. Of the following, which
contributes most to destruction of stratospheric ozone?
A.
N2 B. NOx C.
helium D. argon
9. In the troposphere, a
major reason that ozone is a problem is that it .
A.
leaches nutrients from the soil D.
causes kidney disease and neurological impairment
B.
irritates respiratory membranes E.
all of the above
C.
kills aquatic organisms with low pH
____10. The future allocation of
water from the
A.
dams built on Colo. R. since 1920 C. tree rings revealed average flow of Colo. R. much
lower than thought
B.
the endangered Colo. R. Snail Darter D. the first rights to water may be
exercised by agricultural interests
11.
The solution to pollution is ____________. (answer and
explanation)
12. If we could use sulfur-free coal, or scrub all of the
SO2 from the smokestacks before it entered the atmosphere, would we
eliminate acid rain? Explain.
13.
What is a “negative feedback” in the context the enhanced greenhouse effect? (SO2 emissions could
be negative feedback)
14. What are the primary gases contributing to radiative forcing, i.e., the enhanced greenhouse effect?
15. What is
a “temperature inversion” and how does it affect pollution?
16. Why is tropospheric ozone "bad"?
17.
What problems would increased UV cause if the stratospheric ozone layer was
significantly depleted?
18. What are some of the potential negative outcomes of
global warming?