Environmental Engineering Reference
In-Depth Information
A.
Cohesiveness
B.
The ability to resist temperature change
C.
The low density of ice
D.
The ability to bond
E.
Neutral pH
40.
In which of the following ecosystems do tree roots serve as important havens for biodiversity?
A.
Salt marshes
B.
Coral reefs
C.
Mangrove forests
D.
Estuaries
E.
Freshwater wetlands
41.
An energy source that is difficult to extract but contains a large amount of energy is:
A.
Natural gas
B.
Methane hydrate
C.
Manganese nodules
D.
Anthracite
E.
Hydrogen
42.
In the United States, the largest component of the municipal solid waste stream is:
A.
Yard clippings
B.
Plastics
C.
Food remnants
D.
Glass and wood
E.
Paper
43.
Which of the following changes most likely acted as a key step toward the dramatic and steady decline
in levels of lead in human blood between the 1960s and 1990s?
A.
Decreased use of lead in water pipes
B.
Removal of lead as a gasoline additive
C.
Reduction in emissions containing lead
D.
Decreased use of lead in paint
E.
Reduction in the usage of lead in building materials
44.
Which organization is responsible for the safety of workers at their jobs?
A.
Occupational Safety and Health Administration
B.
Environmental Protection Agency
C.
Organization of Safety and Health
D.
Food and Drug Administration
E.
Department of Labor
Questions 45-47 refer to the following answer choices.
A.
Toxic Substances Control Act
B.
CERCLA
