3412990
Pregunta 1
Pregunta
The greenhouse effect is caused by…
Respuesta
-
Greenhouse gases in the lower atmosphere absorbing solar radiation
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Greenhouse gases in the lower atmosphere absorbing radiation from the Earth's surface, and preventing much of it escaping into space
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Too much heat in the atmosphere
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Too much sunshine reaching Earth
Pregunta 2
Pregunta
Which of these natural events affect the climate?
Respuesta
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Thawing permafrost
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The path of the Earth around the sun
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Volcanic eruptions
Pregunta 3
Pregunta
Carbon dioxide is the most abundant greenhouse gas in the atmosphere.
Respuesta
- True
- False
Pregunta 4
Pregunta
[blank_start]Trichlorofluoromethane[blank_end] was not present in the atmosphere in pre-industrial times (before 1750)
Respuesta
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Carbon dioxide
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Trichlorofluoromethane
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Nitrous oxide
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Methane
Pregunta 5
Pregunta
Which of the following changes in climate has NOT already occurred?
Respuesta
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0.74°C increase in average global temperature over the last century
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0.17m rise in sea level during the 20th century
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A decrease in the sea ice around Antarctica
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Fewer cold days and frosts, and more frequent heatwaves over the last 50 years
Pregunta 6
Pregunta
[blank_start]Australia[blank_end] has the highest per capita carbon dioxide emissions.
Respuesta
-
United States
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Saudi Arabia
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Australia
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China
Pregunta 7
Pregunta
Energy supply contributes the most to carbon emissions globally.
Respuesta
- True
- False
Pregunta 8
Pregunta
In research published in Naturescientists claim we have a good chance of stabilising global warming below 2°C if the world's total carbon dioxide emissions from 2000 to 2050 don't exceed 1,000 billion tonnes. How much carbon dioxide did we emit between 2000 and 2006?
Respuesta
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1,000 billion tonnes
-
234 billion tonnes
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146 billion tonne
-
94 billion tonnes
Pregunta 9
Pregunta
Australia emitted 597 million tonnes of greenhouse gas in 2007. We could cut up to 110 million tonnes off our annual emissions by greater [blank_start]energy[blank_end] efficiency in industry and more energy efficient [blank_start]buildings[blank_end].
Respuesta
-
energy
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buildings
Pregunta 10
Pregunta
Which of the following is NOT expected to happen in Australia as a result of global warming?
Respuesta
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Central Australia will become drier and have more frequent and severe droughts
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Perth will have between 29 to 38 days above 35°C a year by 2030
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Canberra will have between 26 and 29 days of extreme fire danger by 2020
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Tasmania will become a tropical island
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