Carbon dioxide and methane sources
What Carbon dioxide and methane sources means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Carbon dioxide and methane sources
Check what you remember
Read the wording for your board, then hide it and explain Carbon dioxide and methane sources in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Burning fossil fuels releases CO₂, while agriculture, landfill and fossil-fuel extraction release CH₄, for example a coal-fired power station adds CO₂ and cattle produce CH₄.
Topics that use Carbon dioxide and methane sources
- Topic 5: On the Wild Side (Pearson Edexcel A-Level)
Related terms
- Abiotic factors
- Abundance
- Allele frequency
- Allopatric speciation
- Anthropogenic causes of climate change
- ATP as universal energy currency
- Biomass units
- Biotic factors
Using Carbon dioxide and methane sources in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology A (Salters-Nuffield) questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge