FRAGILE SYSTEMS
Currently, the growth of global human population is approximately ______.
A.
linear
B.
constant
C.
exponential
D.
zero
E.
logarithmic
A
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Currently, the growth of global human population is approximately ______.
A.
linear
B.
constant
C.
exponential
D.
zero
E.
logarithmic - ANSWER- A
The phases of matter are ______.
A.
AC and DC
B.
carbon, hydrogen and oxygen
C.
AM and FM
D.
solid, liquid and gas
E.
air, water and ice - ANSWER- D
Which statement is FALSE?
,A.
A unit of pressure is the kiloPascal.
B.
A unit of force is the Newton.
C.
A unit of stress is the Pascal.
D.
The SI standard unit of time is the second.
E.
The SI standard unit of mass is the gram. - ANSWER- E
Which statement is TRUE?
A.
Population growth rate in less-developed countries is less than in more-
developed countries.
B.
If the Earth's energy supply were limitless, then population could increase at the
present rate forever.
C.
Improved predictions of natural disasters can significantly reduce property
losses.
D.
No evidence yet exists of present human population nearing the holding capacity
of Earth.
E.
Either we limit our population growth now, or we savagely compete for scarce
resources in the future. - ANSWER- E
If the population growth rate were to decrease from 1.2% to exactly 1% per year,
then the doubling time for population will be about ______ years.
Answers:
A. 95
B. 35
C. 53
D. 70
,E. 1 - ANSWER- D
If the mass of a moving object doubles, its kinetic energy changes by what
factor?
A.
1/2
B.
1/4
C.
2
D.
1
E.
4 - ANSWER- C
Which of the following best describes the changes energy might go
through to become an earthquake? (NOTE: ↠ means "transformed
to")
A.
potential energy from the Earth ↠ potential energy in the mantle ↠
potential energy in the rock ↠ kinetic energy of the earthquake
B.
heat from the Earth ↠ potential energy in the mantle ↠ kinetic
energy in the rock ↠ kinetic energy of the earthquake
C.
kinetic energy in the mantle ↠ heat from the Earth ↠ potential
energy in the rock ↠ kinetic energy of the earthquake
D.
heat from the Earth ↠ kinetic energy in the mantle ↠ potential
energy in the rock ↠ kinetic energy of the earthquake
E.
kinetic energy from the Earth ↠ heat energy in the mantle ↠
potential energy in the rock ↠ kinetic energy of the earthquake -
ANSWER- D
"Watt" is the unit for ______.
, A.
power
B.
stress
C.
force
D.
density
E.
energy - ANSWER- A
For the Earth's surface, ocean, AND atmosphere, the ONE element that ranks
within the top 2 most common elements is ______.
Answers:
A.
oxygen
B.
silicon
C.
hydrogen
D.
helium
E.
nitrogen - ANSWER- A
Which of the following is TRUE?
A.
Liquids and gases can change their shape easily, thus are not fluids.
B.
Gases are the least compressible compared to liquids and solids.
C.
Heat of sublimation is released when solids become gases.
D.
Fluids with low viscosity such as air resist flow more that those with high
viscosity such as magma.
E.
The ability of solids to permanently change shape or deform when forced is
called plastic. - ANSWER- E
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