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trap
No points!
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fairy
Take points!
5
10
15
20
25
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gift
Win 25 points!
Okay!
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banana
Go to last place!
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15
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Chapter 3: What did Keeling learn from measuring CO2?
Every year there is more CO2 in the atmosphere.
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15
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Carbon Dioxide stops ______ escaping from the Earth. a) oxygen b)water c)heat
c)heat
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15
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Who was the first scientist to measure the effect of CO2?
Svant Arrhenius
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15
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Chapter 3: Why are scientists so interested in studying ice cores?
Because they can measure the CO2 in the air from the time that the snow froze into ice.
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15
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Chapter 3: When will the ice and snow finally melt in Kilimanjaro?
In the next 10 (ten years)
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15
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Chapter 3: Where can scientists find the oldest ice in the world?
Dome C in Antarctica
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15
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Fourier began to first study the atmosphere _________ years ago. a) fifity b) a hundred c) two hundred
c) two hundred
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lifesaver
Give 5 points!
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gift
Win 15 points!
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gift
Win 15 points!
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banana
Go to last place!
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15
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Mars has a ______ atmosphere than the Earth. a)thicker b) thinner c) warmer
b) thinner
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15
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True or False: Only some scientists think that the climate is changing.
False. All scientists.
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boom
Lose 50 points!
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seesaw
Swap points!
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rocket
Go to first place!
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banana
Go to last place!
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15
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True or False: A change of only 5ºC to 7ºC can begin an Ice Age.
True
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15
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Chapter 3: How much warmer are the winters in Alasa then in the 1950s?
They are 4ºC warmer than in the 1950s.
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15
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True or False: Al Gore thinks that climate change will be dangerous.
True
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15
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Chapter 3: When did Svante think the Earth would become 5ºC warmer?
In 2000 years time
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