Combined Science GCSE
Trace gases and variability
What Trace gases and variability means in Combined Science GCSE, as defined for AQA.
Definition of Trace gases and variability
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Reference: AQA
The remaining 1% is mostly argon, with small and variable amounts of carbon dioxide, water vapour and other noble gases.
Topics that use Trace gases and variability
Related terms
- Oxygen as the second most abundant atmospheric gas
- Proportions of gases by volume
- Proportions of nitrogen and oxygen
- Using fractions and percentages to describe mixtures
- Variation and approximate nature of atmospheric data
- Atmospheric composition
- Composition of the atmosphere
- Composition of the atmosphere as a mixture
Using Trace gases and variability in the exam
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