OCR GCSE Physics B · J259

Climate change and evidence

Explain the relationship between the temperature of an object and the principal frequency of its emitted electromagnetic radiation.
Describe the greenhouse effect, including the transmission of solar radiation, absorption by the Earth, and re-emission at lower frequencies absorbed by atmospheric gases.
Identify carbon dioxide, methane, and water vapour as greenhouse gases.
Analyze the correlation between rising atmospheric carbon dioxide levels and human activities such as fossil fuel combustion and deforestation.
Evaluate the evidence for human-induced global warming provided by computer climate models.

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