Exam (elaborations)
LVC Geography GCSE OCR B- Climate Change
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LVC Geography GCSE OCR B- Climate Change
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LVC Geography GCSE OCR B- ClimateChange
Climate - ANSWER-average weather overtime
Climate change - ANSWER-a long term change in the global climate or regions
Quaternary period - ANSWER-the current ice age with fluctuating periods of cold and
hot parts
Glacial periods - ANSWER-cold periods, lasting 100,000 years
Interglacial periods - ANSWER-hot periods, lasting 10,000 years
Geological fossil evidence - ANSWER-form of evidence in which animals die where they
lived, adaptations
- some animals may have migrated/been moved
Historical evidence - ANSWER-from of evidence where diaries or paintings may depict
the climate/weather
- personal accounts may lack accuracy, exaggerated
Ocean sediment evidence - ANSWER-form of evidence by studying oxygen isotopes to
calculate temperatures
- ocean sediments could've been washed down
Ice core evidence - ANSWER-form of evidence by studying oxygen isotopes in water
molecules in the ice cores
Snow evidence - ANSWER-form of evidence by looking at gas trapped in layers eg
oxygen isotopes
- 16 O colder earth
- 18 O warmer earth
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