4. State the likely consequences of an increase in the 'Greenhouse effect'.
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Explanation:
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➡️ The sun emits shortwave radiation, which passes through Earth's atmosphere and is absorbed by Earth's surface
Some energy is re-emitted back into the atmosphere, as longwave radiation
'Greenhouse' gases: carbon dioxide, nitrous oxide, methane, water vapour effectively prevent some of this longwave radiation from leaving the atmosphere
This warms Earth's atmosphere, making our planet habitable
Human activities have led to a build up of extra greenhouse gases in the atmsophere
As a result, average surface temperatures are rising
Temperatures will continue to rise if greenhouse gases keep building up in the atmosphere
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