Correct Answer
verified
View Answer
True/False
Correct Answer
verified
Multiple Choice
A) using a tidal marsh as a landfill
B) erecting fences to protect cattle
C) killing elephants for their ivory tusks
D) burning a forest to plant crops
Correct Answer
verified
Multiple Choice
A) zebra mussels
B) Asian gypsy moth
C) rabbits
D) all of the above have caused ecological disruption
Correct Answer
verified
Short Answer
Correct Answer
Answered by ExamLex AI
View Answer
Multiple Choice
A) the troposphere,hydrosphere,and the upper portions of the earth's upper crust.
B) the stratosphere,the living organic world,and the absorbable minerals of the earth's crust.
C) water,phosphorus,and carbon.
D) solar energy,the earth's crust,and living organisms.
Correct Answer
verified
Multiple Choice
A) troposphere
B) earth's crust
C) hydrosphere
D) earth's inner core
Correct Answer
verified
Multiple Choice
A) feed on the remains of other organisms.
B) break down radioactive wastes.
C) release nutrients for reuse in the food chain.
D) play an essential part in the cycle of life.
Correct Answer
verified
Multiple Choice
A) ammonia
B) carbon dioxides
C) hydrocarbons
D) nitrogen oxides
Correct Answer
verified
True/False
Correct Answer
verified
Essay
Correct Answer
Answered by ExamLex AI
View Answer
Multiple Choice
A) reducing the volume of waste that is generated
B) recycling household solid waste
C) reusing materials rather than discarding them
D) all of the above are effective means of reducing the environmental impact of solid wastes
Correct Answer
verified
Multiple Choice
A) long term effects of their usage is not known.
B) they are most effective on resistant,as opposed to high-yielding,varieties of plants.
C) very few of their ingredients have been reviewed for safety by the EPA.
D) they can leach into aquifers long after the chemicals are no longer used.
Correct Answer
verified
Short Answer
Correct Answer
Answered by ExamLex AI
View Answer
Essay
Correct Answer
verified
View Answer
Short Answer
Correct Answer
verified
View Answer
Essay
Correct Answer
verified
View Answer
Multiple Choice
A) 1979 Convention on Transboundary Air Pollution.
B) Montreal Protocol of 1987.
C) Clean Air Act of 1990.
D) Kyoto Protocol of 1997.
Correct Answer
verified
Multiple Choice
A) occurs when air temperature decreases with height above the earth's surface.
B) typically lasts for several weeks.
C) decreases the effects of air pollution through dilution.
D) can trap air pollutants near the surface,causing serious human health effects.
Correct Answer
verified
Multiple Choice
A) canals
B) surface mining
C) underground mining
D) chalk pits
Correct Answer
verified
Showing 21 - 40 of 86
Related Exams