unit 11
Which of the following is composed of fibers known to cause lung disease?
Asbestos
If a food chain has an increasing concentration of a chemical in each trophic level...
Biomagnification
A dangerous indoor air pollutant.
CO
Which of the following mandates the integrity of surface waters?
Clean Water Act
Which of the following is emitted from newly manufactured building materials and furniture?
Formaldehyde
Rachel Carson's contributions to the environmental movement include...
Increasing public awareness of the risks of pesticides (DDT)
True statements about ozone include which of the following...
It is a pollutant in the troposphere & filters out most UV-C radiation in the stratosphere
Which of the following pollutants is found in old plumbing pipes and ceramic glazes and paints?
Lead
The city that regularly experiences photochemical smog enhanced by thermal inversions
Los Angeles, CA
Which of the following is an impact of acid deposition?
Lower aquatic biodiversity, increased solubility of heavy metals, erosion of marble buildings & statues
A gas associated with photochemical smog
NO2
Emitted from both diesel and burning wood
PM10
Which of the following is a natural source of air pollution?
Pine trees, volcanoes, dust storms & erosion, forest fires
Which of the following establishes cradle to grave tracking of hazardous waste?
Resource conservation and recovery act
A gas from burning coal associated with grey smog
SO2
Which of the following requires minimum safety standards for community water?
Safe Drinking water act
Which of the following best illustrates point-source pollution?
Smokestack emissions from a smelting company
Which of the following is a secondary air pollutant?
Tropospheric O3
The concentration of what pollutant influences the concentration of tropospheric ozone?
VOCs
Smoke form forest fires is most likely to affect air quality over a large area for many days if
a thermal inversion exists in the region
Which is true of an inversion layer?
a warm layer of air overlies a cooler layer of air
What converts primary pollutants into secondary pollutants?
air & sunlight
If a single phytoplankton builds up a chemical in its body over time, it is called
bioaccumulation
When MSW is categorized based on its source, the greatest amount is
containers and packaging
Which of the following would encourage recycling?
decreasing taxes on recycled material
The greatest emissions source of sulfur dioxide is
electricity generation
The most efficient strategy to reduce the volume of packaging material in landfills is...
encourage reusable container use
What are the primary health risks in industrialized countries?
high blood pressure & overnutrition
Three main anthropogenic sources of gaseous air pollutants in the U.S. are...
industry, transportation, energy production
Cost-benefit analysis of the risks with an environmental hazard does NOT typically account for
long term value & peace of mind from cleaner environment
What are the primary health risks in less developed countries?
malnutrition & poor sanitation
Which greenhouse gas is obtained from landfills that have been capped?
methane
Ground-level (tropospheric) ozone in major U.S. cities is due to...
motor-vehicle exhaust
Which of the following is NOT a greenhouse gas?
nitrogen
Which of the following are likely to be emitted from a smokestack?
particulates, sulfur dioxide & carbon dioxide
A colorless, odorless gas that is a naturally occurring decay product of uranium...
radon
In order from the most desirable to the least desirable, the 3 R's stand for...
reduce, reuse, recycle
Most municipal solid waste in the U.S. is disposed of in
sanitary landfills
In normal conditions, the pH of rainwater is usually...
slightly acidic, 5.6
Which of the following describes the heat-island effect?
urban areas trap more heat than rural areas do
Which of the following has a cooling effect?
volcanic eruptions