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Endocrine disrupters are now outlawed.
Endocrine disrupters are substances that can mimic hormones.
Through biomagnification, toxins become more concentrated in predators at higher levels in
the food web.
Automobile exhaust, resulting in increased ozone production, has helped to offset ozone
depletion in the atmosphere.
Wood-burning is a pollution-free method of heating a home.
The release of sulfur into the atmosphere from industry makes rainwater more acidic.
The process of mining and extracting gold involves cyanide.
New-car smell is caused by off-gassing of VOCs.
Since the outlawing of PCB production, PCB in animal tissues has gradually disappeared.
In pollution treatment, “four nines” means 99.99 percent of the pollutant has been
removed.
Bioremediation is typically performed by bacteria.
Many kinds of bacteria consider petroleum edible.
Leachate is contaminated exhaust released by incineration.
Phytoremediation is performed by plants.
The Precautionary Principle says that scientific certainty is essential before making any
decisions about pollutants.
a particularly toxic type of mutagen
a group of cells in the body damaged by carcinogens
a greater-than-expected number of cancer cases in a partcular area
a category of industrial fluids
a measure of oxygen depletion
bioaccumulation of dioxins
Eutrophication is often caused by
Groundwater pollution is considered a greater problem than surface water pollution
because
pollutants cause underground erosion
pollutants interact with bacteria
pollutants cannot be broken down by sunlight and air
the environment is more acidic
Which of the following is a point source for pollution?
Gathering information about a polluted site is known as
In situ remediation means
use of concrete as a containment method
remediation performed immediately after contamination
treatment performed after removal of contaminated material
treatment performed in place or on site
Phytoremediation is used for
containment, removal, and treatment
a previously undeveloped site
a site affected by smog accumulations