Quiz 11 Flashcards
The _____ use of statistics to estimate harm from a hazard while decisions whether and how to reduce hazards - and at what costs
risk assessment and risk management
which of the following is NOT part of risk assessment?
Risk Reduction
when there is global outbreak of infectious diseas it is called_______
pandemic
what are discarded materials or substances that are poisonous, chemically reactive, corrosive or flammable?
Toxic wastes
the best way to deal with solid waste is ____
Prevention
these are corrosive, ignitable, reactive, toxic and infectious wastes.
Hazardous wastes
what is the chemical’s ability to resist being broken down into other subtances?
Persistence
what is solid waste managemernt wherein bacteria are used to decompose yard trimmings, vegetable food scraps and other biodegradable organiz waste?
Composting
Substance that causes temporary/permanent harm or health is called ___
Toxic chemical
the following are outdoor pollution except
Burning coal
what are the residual acidic liquid generated in landfills?
Leachate
What is a large field or pit where garbage is deposited and sometimes burned?
Open dump
What is the chemical substance produced when organic materials are incompletely burned? this substance poisons the blood by bind to hemoglobin and makes the less able to carry oxygen?
Carbon monoxide
what is a measure of the ability of a substance to cause injury, illness or death
Toxicity
What is the branch of medicine that studies that infectious disease connections between animals and humans?
Ecological medicine
what is an element known to cause lower intelligent and behaviour problem in children and high blood pressure in adults. this was totally eliminated as components of gasoline in accordance to the Clean Air Act
Lead
What is the deposition of contaminants emitted into the atmosphere that have been converted to acidic species?
Acid rain
the following signify the 4R’s in Solid Waste management EXCEPT:
Retain
what are the discarded electronics, televisions, cell phones, laptops, etc?
E-wastes
What is the short-term changes in atmospheric variable over hours or days
Weather
How much percentage of air comprises for oxygen?
21%
This is agreement reached during meeting to reduce carbon dioxide emmissions from 39 developed countries to 5.2% below 1990 levels by 2012
Kyoto protocol
this are organic compounds (hydrocarbons,methane, benzene and liquid solvents) that exist as gases in the atmosphere or that evaporate from sources on the surface: especially from rice paddies, landfills, natural gas wells and piplines, cows etc…. and other human made products
Volatile Organic Compound (VOC)
Chlorofluorocarbon (CFC) breaks down in the stratosphere under the influence of _____
Ultraviolet (UV) radiation
What is POPs stand for?
Persistent organic pollutants
What are the gases which impede the exit of reflected solar energy?
Greenhouse gases
Global warminh occurs in the ____ and ozone depletion occurs in the ____
troposphere and stratosphere
this study compares the health of the people exposed to a particular chemical with a control group
Epidemiological studies
What are the chemicals that harm or cause birth defects- genetics changes passed on to the next generation?
Teratogens
What are the minute pieces of solid materials disperesed into the atmosphere (<10 microns)
Particulates