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When toxic or potentially toxic substances build up in the food chain,the process is called


A) vector transmission.
B) biomagnification.
C) bioloading.
D) radiation sickness.

E) B) and D)
F) C) and D)

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In the upper atmosphere,ozone is a harmful pollutant;at ground level,it is beneficial.

A) True
B) False

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Key sources of chlorofluorocarbons are solvents,refrigerants,and propellants.

A) True
B) False

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Danny is a freshman in college and is interested in becoming a "green consumer." List and describe at least five ways he can reduce the amount of potential garbage he produces.

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1. Use reusable water bottles and coffee...

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DDT was banned in the United States in 1972 after it was


A) found to have a negative impact on reptiles,fish,and birds.
B) blamed for several child deaths in a farming community in British Columbia.
C) connected with cancer diagnoses in agricultural communities across America.
D) tested by the Food and Drug Administration.

E) A) and B)
F) A) and C)

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______ are the biggest energy consumers.


A) Russians
B) Europeans
C) Americans
D) Chinese

E) B) and C)
F) All of the above

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Quick starts and speeding when driving a car help reduce fuel usage.

A) True
B) False

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The most obvious depletion of the ozone layer has occurred over


A) AntarcticA.
B) the United States.
C) the equator.
D) Africa.

E) B) and D)
F) A) and B)

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The United Nation's Convention on Biological Diversity estimates that demand for resources


A) is decreasing overall due to technological improvements.
B) will exceed the earth's capacity by 2020.
C) already exceeds the earth's capacity by 20%.
D) can continue to grow without negative consequences.

E) All of the above
F) B) and D)

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Which of the following is NOT considered a recommendation for reducing chemical pollution?


A) using nontoxic,nonpetrochemical personal and household products
B) disposing of household hazardous wastes properly
C) storing toxic household products out of the reach of children and pets
D) buying meat,poultry,and produce grown outside your local area

E) B) and D)
F) A) and C)

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Which of the following does NOT make smog more likely to form?


A) heavy motor vehicle traffic
B) high temperatures
C) sunny weather
D) strong winds

E) A) and B)
F) A) and C)

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Solid waste rapidly decomposes once buried in a sanitary landfill.

A) True
B) False

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In the United States,the biggest single component of household trash by weight is plastic.

A) True
B) False

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The disease that is most likely to increase in incidence because of the thinning of the ozone layer is


A) lung cancer.
B) lymphoma.
C) skin cancer.
D) leukemia.

E) A) and C)
F) C) and D)

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Hazardous chemicals in sewage is a concern in the United States.

A) True
B) False

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Which of the following is an acronym for a recently introduced type of vehicle that has a high fuel economy rating?


A) SUV
B) AQI
C) HEV
D) CFC

E) A) and B)
F) B) and C)

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Gamma radiation causes cancer,sterility,and chromosomal damage at low exposure levels.

A) True
B) False

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Briefly outline how smog forms,including the key pollutants and environmental conditions required.Finally,list three things individuals can do to help reduce air pollution and prevent smog.

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Answered by ExamLex AI

Smog forms when air pollutants, such as ...

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Eating large amounts of which of the following foods can expose you to high levels of mercury?


A) beef
B) pork
C) chicken
D) fish

E) None of the above
F) All of the above

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Which of the following statements about poverty and health is FALSE?


A) Residents living in poor neighborhoods are often exposed to more environmental toxins than residents living in wealthier communities.
B) Poor neighborhoods are common sites for hazardous waste pollution.
C) Studies show that children from wealthy families have higher concentrations of lead in their blood than do children from poor families.
D) Asthma is a growing problem in poor families.

E) All of the above
F) A) and B)

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