Notes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| the effect of no greenhouse gases | frigid earth
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| What does the atmosphere do to keep the night temperatures constant | lets in the earth's solar radiation in during the day, but traps the warmth
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| the greenhouse gases trap | heat and moisture
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| all energy from the sun that the earth traps | radiation
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| when the night sky is clear what happens to the temperatures | they go down
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| when nights are cloudy the tempeeratures do what | go up because the heat is trapped
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| Earth's temperatures are divides into ___ layers | 4
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| name the layers of the earth's surface outward | troposphere, stratosphere, mesosphere, thermosphere
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| the troposphere contains: | weather, breathable air, air pressure, and the majority of greenhouse gases
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| where do most of the greenhouse gases occur naturally | troposphere
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| name the naturally occuring greenhouse gases: | H2O, CO2, CH4, O3
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| name the human greenhouse gases | N2O( nitrous oxide) AND SO2( sulfer dioxide)
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| name the gases that do not hold heat | 02 AND N2
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| nitrogen is ___% of the atmosphere | 78
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| Oxygen is __ % of the atmosphere | 21
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| CO2 is __ percent of the atmosphere | .03
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| Does CO2 hold heat | yes
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| what would excess amount of greenhouse gases do to the earth | warm to a lethal level
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| Venus has an atmosphere which is ____ percent CO2 and the temperature is _____ | 96; 872 degrees F
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| what has proven the greenhouse gases and how long have they varied and what do they cause | ice core samples; 800,000 years; the earth to switch between glacial periods and inter glacial periods
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| Within the ice samples amounts of what correlate temperature changes | CO2 AND CH4
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| when was the paleozoic era | 570 mya
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| during the paleozoic era the CO2 amounts were _____ times higher than present | 4-6x
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| what helped reduce the CO2 tempertures | abundant plant life
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| when was the mesozoic era | 245 mya
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| during the mesozoic era the amounts of CO2 were __________ times higher than present | 10- 15x
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| why was the climate so warm during the mesozoic era | due to the increases of CO2 and this was the time the dinosaurs thrived
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| when did the volcanic eruptions cause the earths's CO2 level to rise and how much did it rise | 550 mya; 12%
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| CFC stands for | chlorofluorocarbon
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| when were the cfc's developed | 1930's
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| Are CFC's made from fossil fuels | no
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| what are CFC's used in | refridgeration solvents and propellants in aerosol cans
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| what did the CFC's cause | 03 depletion
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| what did CFC's do to be the cause of O3 depletion | the cfc's got caught in the vortex and kept o3 from regenerating
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| During the 1970's what did countries do to try to prevent O3 depletion | banned CFC's
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| the harmful ingredient in CFC's is | chlorine
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| when did the world nations ban CFC's | in the 1990's
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| what are CFC's nickname | Ozone Eaters
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| what prevented O3 from regenerating | chlorine gas
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| what was added to CFC's to make it non- harmful | hydrogen ( now called HCFC)
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| What agency determines harmful pollutants | Enviromental Protection Agency(EPA)
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| Where is the ozone layer and what does it do | in the stratosphere; blocks some of the harmful radiation from the sun
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| how thick is the ozone | 3mm
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| burning rays | UV rays
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| What is the ozone layers ability | breaks down gases in the atmosphere back into natural elements and compounds
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| Name an example of how the ozone breaks down gases | CO2 + H2O = C + H = 03
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| What did the EPA end up doing with GFG's and when did they do this | phased out all GFG's in 1992
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| when was the Industrial Revolution | began in 1750 in England
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| after the Industrial Revolution what have humans been doing to harm the enviroment | they have been putting more CO2 into the atmosphere than the ozone can break down
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| How does CO2 accumulate | holds excess heat in the atmosphere
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| the first man made cause of global warming | 1. burning of fossil fuels releases CO2 into the atmosphere and the mining of coal and oil releases trapped methane.
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| When did what percent of the USA emmisions come from USA | 2002; 40%
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| 2nd human cause of global warming | transportation
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| what percent of the US CO2 emmisions come from burning gas | 33%
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| who is the largest consumer of oil | USA
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| CFC stands for | chlorofluorocarbon
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| when were the cfc's developed | 1930's
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| Are CFC's made from fossil fuels | no
🗑
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| what are CFC's used in | refridgeration solvents and propellants in aerosol cans
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| what did the CFC's cause | 03 depletion
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| what did CFC's do to be the cause of O3 depletion | the cfc's got caught in the vortex and kept o3 from regenerating
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| During the 1970's what did countries do to try to prevent O3 depletion | banned CFC's
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| the harmful ingredient in CFC's is | chlorine
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| when did the world nations ban CFC's | in the 1990's
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| what are CFC's nickname | Ozone Eaters
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| what prevented O3 from regenerating | chlorine gas
🗑
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| what was added to CFC's to make it non- harmful | hydrogen ( now called HCFC)
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| What agency determines harmful pollutants | Enviromental Protection Agency(EPA)
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| Where is the ozone layer and what does it do | in the stratosphere; blocks some of the harmful radiation from the sun
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| how thick is the ozone | 3mm
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| burning rays | UV rays
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| What is the ozone layers ability | breaks down gases in the atmosphere back into natural elements and compounds
🗑
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| Name an example of how the ozone breaks down gases | CO2 + H2O = C + H = 03
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| What did the EPA end up doing with GFG's and when did they do this | phased out all GFG's in 1992
🗑
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| when was the Industrial Revolution | began in 1750 in England
🗑
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| after the Industrial Revolution what have humans been doing to harm the enviroment | they have been putting more CO2 into the atmosphere than the ozone can break down
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| How does CO2 accumulate | holds excess heat in the atmosphere
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| the first man made cause of global warming | 1. burning of fossil fuels releases CO2 into the atmosphere and the mining of coal and oil releases trapped methane.
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| When did what percent of the USA emmisions come from USA | 2002; 40%
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| 2nd human cause of global warming | transportation
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| what percent of the US CO2 emmisions come from burning gas | 33%
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| who is the largest consumer of oil | USA
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| Which one gives off more CO2, vehicles with poor gas mileage or a car with the average gas mileage | poor gas mileage
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| what is the average gas mileage, and how many pounds of CO2 does this give off in the city | 12 miles per gallon;800
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| how much CO2 do drivers in New York and Los Angeles give just sitting in their cars in traffic | 600 million gallons of gas annually
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| cutting and burning forests | deforestation
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| By using deforestation, the planet is losing ___ million acres of rainforests | 34
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| when using deforestation we are putting ___ of CO2 in the atmosphere | millions of tons
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| forests in moderate climates | temperate forests
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| temperate forests absorb ____ billion tons of CO2 yearly | 2
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| name the 4th human cause of Global warming | agriculture
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| how is agriculture a cause of global warming | methane is released from rice puddles when fields are flooded, plant matter decays, bovine flatulance, bogs, and mining ff
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| name the causes of industry | factories and construction release nitrous and sulfuric acid. N2O breaks down naturally with reactions to sunlight. SO2 is also released by factories and vehicles
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| how does acid rain form | N2O and SO2 combine with water
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| Formula of acid rain | H2O+SO2+H2O= H2SO4
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| aesthetic means | puts you to sleep
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| what is laughing gas | nitrous oxide
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