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radon
colourless, odourless gas that is a naturally occurring decay product of uranium
formaldehyde
emitted from most manufactured building materials and furniture
asbestos
composed of fibres known to cause lung disease
lead
found in old plumbing pipes and fixtures and some ceramic glazes
fossil fuels
solids, liquids, and gases created through the compression of ancient organic plant and animal material in the earth’s crust
zebra mussels
an introduced alien species in the great lakes
erosion & desertification
overgrazing of grasslands can lead to reduced range quality. two major effects are…
nonnative species/exotic species
species that are transported geographically to an unknown area
sick building syndrome
in the workplace, bad air mixed with mold spores leads to…
a deep layer of humus and decayed plant material
soils found in mid-latitude grasslands would be most accurately described as having…
industry, transportation, energy production
three main anthropogenic sources of gaseous air pollutants in the USA
increasing public awareness of the risks of using pesticides
rachel carson’s contributions to the environmental movement include…
depletion of an aquifer by regional farmers
a given example of tragedy of the commons?
DDT
pesticide that was banned due to its bioaccumulation in wildlife
climax community
when an ecosystem reaches its final stage of balanced species development
O horizon
the soil layer that contributes organic material to topsoil
fuel efficiency
what CAFE standards refer to
carrying capacity
the maximum number of species that can be sustained in an ecosystem
motor vehicle exhaust
primary ground-level ozone emitter in most major US cities
reduction of crop damage to an economically tolerable level
the emphasis of integrated pest management
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the half-life of radon is approximately four days. the fraction of the original amount remaining after four weeks is…
strip mining
prior of mine reclamation laws, mine drainage and acidic runoff from coal tailings were toxic byproducts
greenhouse
global warming works a lot like a…
coastal pine forest
community that depends on periodic fires for reproduction
heat-island effect
urban areas trap more heat than rural areas
atmosphere for N and rocks for S
major reserves of nitrogen and sulphur in the biosphere
does not generate greenhouse gases
biggest advantage of nuclear energy generation
uranium
generates nuclear power
the emphasis of a sustainable society
using energy efficiently and reusing and recycling matter
national resource lands
managed on a multiple-use basis
clockwise
the direction that ocean gyres flow in the northern hemisphere
increased water temperature (due to increased sunglight)
effect on local streams of logging in a watershed region
removing the grey wolf from the endangered species list
goal of the programme begun in 1995 to reintroduce the grey wolf into yellowstone national park
cercla
federal law dealing with the cleanup of abandoned hazardous waste sites
second law of thermodynamics
accounts for the losses of usable energy between successive trophic levels in ecosystem
absorption of infrared radiation by atmospheric gases
explanation for the earth’s mean temperature being warm enough to sustain life
genetic variation within each species and number of species present
how to assess the biological diversity of an area?
pollutants to collect
city heat islands cause…
when the cost to the environment is not reflected in the price of the products that produce the pollution
when is pollution is considered an external cost?
ecosystem services
e.g. the consumption of mosquitoes by bats; the control of flooding provided by tropical forests in mountainous areas of Central Asia
chlorinated hydrocarbon
controls agricultural insect pests; highly likely to have a negative and persistent impact on an ecosystem
endocrine disruptors
high levels of this dioxin can cause low testosterone levels and failure to reproduce
salmon
the most economically important fish affected by hydroelectric dams
reducing human population size
this practice would have the biggest impact on achieving global sustainability
elephant
this animal is has a late-loss survivorship curve
fertiliser runoff
the primary source of nitrates and phosphates in the wetland
low pH
this is evidence of acid rain
turbidity
measured by the unit JTU
seine net
large net used for catching fish in the wetland