NATS-101 Intro. to Global Change Fake Quiz 4 FOR M/C SELECT BEST ANSWER AMONG
CHOICES
The quiz will cover
lecture material from March 21-April 1 (pages 165-169, 171-193, 225-263 of
Mackenzie)
___1.
We cannot calculate mean residence time of carbon for which one of the
following because it is not a pool/reservoir/box in the global carbon
cycle? (it is a
flux)
A. oceans B.
biosphere C. respiration D.
atmosphere
___2.
Which of the following is NOT a mechanism whereby humans input CO2 to
the atmosphere?
A.
calcining (cement manufacture) C. land-use changes
B.
fossil-fuel burning D.
nuclear power plants
___3. The largest reserves of oil on our planet are located
_________________.
A. China B. North
America C. Middle East D. South America E. Antarctica
___4.
Which of the following would be a renewable energy resource (in terms of
the perspective of human lifetimes)?
A.
coal B. oil C.
natural gas D. ethanol E. uranium
___5.
Evidence that the massive extinction 250 million years ago may have been cause
by a meteorite/asteroid impact comes from the presence of ______ in sedimentary
rocks of that age.
A. iridium
anomalies C. “Bucky Balls” containing
gases of extraterrestrial isotopic composition
B. nickel anomalies D.
cone-in-cone structures in dinosaur bones
___6.
The seasonal fluctuations in atmospheric CO2 measurements are
generated from photosynthesis and respiration of Earth's biosphere. You would find the greatest amplitude of
fluctuation ______________________.
A.
at the equator C. in
Alaska E.
everywhere; it is uniform world-wide
B.
at the South Pole D. in
Australia
___7.
“Carrying capacity” (max. population that can be sustained) is NOT dependent on
which ONE of the following?
A.
raw materials C. energy availability E. food availability
B.
male:female ratio D. removal
of wastes
___8.
A surge (increase) of world population was not associated with which of the
following events?
A.
the tool-making revolution C.
the Industrial Revolution
B.
the agricultural revolution D.
the Black Plague
___9.
The current atmospheric CO2 concentration is ________________.
A.
almost 380 ppm C.
the lowest it has ever been
B.
the highest it has ever been D.
a little over 6 Gigatons
___10.
The highest atmospheric CO2 levels over the last 600 million years occur
or occurred ________.
A.
500 million years ago C.
now
B.
20,000 years ago D.
1965 during above-ground nuclear testing
___11.
The 38,000 Gt of carbon in the marine hydrosphere is dominantly found in
which one of these forms/compounds?
A.
kerogen B. limestone
C. CH2O D. HCO3- E.
CH4
___12.
In the mid-1950s, _____ established the first continuous world monitoring of
atmospheric CO2 levels (at Mauna Loa).
A.
Suess B.
Malthus C.
Ehrlich D.
Keeling E.
Fuller
12.
Describe in complete but simple terms why the carbon cycle is “out of balance”
(as a result of human activities).
13. Explain an example of how the nitrogen cycle
might be linked to the carbon cycle.
14. If a country has a population of 100 million,
and its population is increasing at a rate of 3.5% per year, how long will it
take to double to 200 million people?
15.
Even if birth rate and death rate are equal, explain how a country’s population
might continue to increase so that “zero population growth” (ZPG) is not achieved.
16.
What are “land-use changes” in the context of this class?