Environmental Engineering Reference
In-Depth Information
C.
Smaller labor market, as well as more stress on social systems to support the elderly
D.
Weak military and labor market
E.
High rate of death among younger age groups
67.
In a country with 75 out of 1,000 people being added to the population through births and immigration
and 50 out of 1,000 people leaving the population through death and emigration, what is the growth rate
of this country?
A.
1.8 percent
B.
2.9 percent
C.
2.5 percent
D.
2.1 percent
E.
3.4 percent
68.
Chronic exposure to a substance means that an organism has been exposed to:
A.
High levels over a long period of time
B.
High levels over a short period of time
C.
Low levels over a short period of time
D.
Low levels over a long period of time
E.
Moderate levels over a lifetime
69.
Minerals are transported through the soil via a process called:
A.
Active transport
B.
Waterlogging
C.
Leaching
D.
Porosity
E.
Permeability
70.
Highway congestion is considered an example of:
A.
An ecological footprint
B.
Sustainable use
C.
Resource management
D.
A tragedy of the commons
E.
Maximum sustainable yield
Questions 71-73 refer to the following answer choices.
A.
Parasitism
B.
Commensalism
C.
Competition
D.
Amensalism
E.
Herbivory
71.
A hookworm living inside a dog's intestine.
72.
A blue jay living in a tree.
73.
Sea lice living on a sunfish.
