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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- Climate
Change


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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