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10 Cards in this Set

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  • Back
What is acid deposition?
Precipitation with a pH of less than 5.5
Explain the effects of acid rain
*leach nutrients in the ground
*kill nitrogen-fixing microorganisms that nourish plants
*kill fish
*release toxic metals
What are acid rain controls?
*fuel switching
*coal washing
*fluidized bed combustion
*reduced consumption of electricity
Describe the Greenhouse Effect
*Sun's rays strike the earth & some are converted to infrared radiation that is transmmitted back into outer space
*Some of the infrared is absorbed by greenhouse gases insulating the Earth
*more accumulations of greenhouse gases delays the release of infrared to outer space, leading to global warming.
What are the greenhouse gases?
*carbon dioxide
*water vapor
*nitrous oxide
What is the role of CO2 in the Greenhouse Effect?
*CO2 plays a vital role in moderating the earth's temperature
*Without CO2, The Earth's temperature would be about 90 degrees F cooler
*increasing levels of CO2 will have an impact on global climate conditions
Describe the impacts of global warming -
greater weather extremes, loss of biodiversity,rising sea levels, human illness
How rising sea levels will impact coastal areas?
These areas will be permanently buried
How will greater weather extremes impact us?
Flood/drought, crop failure, hurricane, life and property damage.
Why will there be a loss of biodiversity?
Animals will not be able to migrate to new areas in time. (Nonagricultural species have a narrow range of tolerance to changing conditions)