Environmental Engineering Reference
In-Depth Information
31.
China's one-child policy has been successful in reducing population growth but has had negative con-
sequences as well. All of the following are potential problems with the declining population due to this
policy EXCEPT
A.
Increased pressure on social systems such as Social Security and healthcare
B.
A decrease in the number of individuals in the labor market
C.
Increased abortion rates of female fetuses
D.
An uneven sex ratio
E.
More people entering the military
Questions 32-33 refer the following information.
A country has a crude birth rate of
, a crude death rate of
, an immigration rate of
, and an
emigration rate of
.
32.
What is the growth rate of this country?
A.
1.8 percent
B.
2.9 percent
C.
2.6 percent
D.
2.1 percent
E.
3.4 percent
33.
What do these numbers tell you about the country's population?
A.
It is declining slowly.
B.
It is stabilizing.
C.
There are a large number of individuals in the older age groups.
D.
There are high death rates at young ages.
E.
The population is still growing.
34.
How is wind harnessed for use as energy?
A.
The kinetic energy produced by the wind is converted into electrical energy.
B.
Solar energy is converted into kinetic energy.
C.
Kinetic energy is converted into electrical energy through photovoltaic (PV) cells.
D.
Wind energy is captured and used to heat water, which then produces steam to turn turbines.
E.
Wind's potential energy turns turbines, which then produce electrical energy.
35.
Global fossil fuel use has shifted in recent decades. Which statement accurately reflects this shift?
A.
Coal has overtaken natural gas as the most widely used fossil fuel.
B.
Oil has overtaken natural gas as the most widely used fossil fuel.
C.
Coal has overtaken oil as the most widely used fossil fuel.
D.
Oil has overtaken coal as the most widely used fossil fuel.
E.
Natural gas has overtaken coal as the most widely used fossil fuel.
36.
Acute exposure to a substance means that an organism has been exposed to
A.
High levels over a long period of time
