Edexcel IGCSE Biology · Spec 4.14
Human Sources of Greenhouse Gases
Covers match named greenhouse gases to human sources, Explain how they increase the greenhouse effect and Suggest source-specific ways to reduce emissions.
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Human Sources of Greenhouse Gases
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Spec 4.14
What you need to know
- Match named greenhouse gases to human sources
- Explain how they increase the greenhouse effect
- Suggest source-specific ways to reduce emissions
Active recall
Quick check
Answer each question before opening the answer.
Give one human source of methane
Any one of livestock, rice fields or landfill
Which greenhouse gas is linked to nitrogen fertiliser use?
Nitrous oxide
How does a greenhouse gas warm the atmosphere?
It absorbs outgoing infrared radiation and re-radiates some towards Earth
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