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Climate change
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Created by
Gabi
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Cards (35)
What is formed each year in ice cores?
One
layer
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How can layers of ice be analyzed?
To tell the
temperature
each year
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What can be analyzed in ocean sediment cores?
Remains of
organisms
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How far back can sediment records extend?
At least
1 million
years
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What do tree rings indicate?
Age
and climate conditions
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How do scientists measure tree ring thickness?
To assess
climate conditions
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How far back do tree rings provide evidence?
Past
10,000
years
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What does pollen analysis help scientists identify?
Species
living at the time
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How is pollen preserved?
In
sediment
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What do scientists compare pollen to?
Conditions
plants live in now
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What are the methods of climate change mitigation?
Planting trees to absorb
CO2
Using alternative energy sources
Carbon capture and storage (
CCS
)
International agreements like the
Paris Agreement
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Since when have global temperatures been measured?
Since the
1850s
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What does the 2016 Paris Agreement aim to limit?
Global warming below
2°C
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What is a limitation of temperature records?
They are
reliable
but
short-term
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What can historical records be used for?
To supplement
temperature records
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What do major volcanic eruptions eject into the atmosphere?
Large
amounts
of
material
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How do particles from volcanic eruptions affect the Earth?
They reflect
sun rays
, cooling the surface
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What happens to the Earth's temperature when solar output is reduced?
The Earth
cools
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What can agriculture adapt to due to climate change?
New crops suited to
new climate
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What are Milankovitch cycles?
Variations in
Earth's
orbit affecting
solar radiation
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What is a major cause of climate change related to fossil fuels?
Burning fossil fuels releases
CO2
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What happens to trees during deforestation?
They release
CO2
when burnt
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What gas is produced when waste decomposes in landfills?
Methane
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What agricultural practice produces a lot of methane?
Livestock farming
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What is a consequence of rising sea levels?
Flooding in
low-lying coastal areas
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What can better flood warning systems help with?
Coping with
rising sea levels
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How can water supply be managed during climate change?
By installing
water meters
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What environmental effect is caused by warmer temperatures?
Melting
glaciers
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What happens to polar habitats due to climate change?
They are lost
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What is coral reef bleaching a result of?
Warmer ocean temperatures
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What is a consequence of changing precipitation patterns?
Decreased biodiversity
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What human issue arises from climate change?
Struggle to supply
water
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What farming issue is caused by climate change?
Lower
crop yields
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What health risk increases due to extreme weather?
Deaths due to heat
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What are the effects of climate change on biodiversity?
Decreasing
biodiversity
Species extinction
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