Skip to content

Loading…

Home
Subjects
Past papers
Key terms
Pricing

My courses

Select your courses

Loading…

Subjects

History
Geography
Biology
Chemistry
Physics
Mathematics
Classics

Resources

Browse courses
Past papers
Key terms & definitions
Pricing

About

Sign up
Log in
Privacy Policy
Terms of Service

© 2026 GradeGen

Not affiliated with any exam board.

Atmospheric gas composition — AQA GCSE Biology Definition | GradeGen

Home
Biology
Key terms
Atmospheric gas composition

GCSE Biology · key term

Atmospheric gas composition

Definition

The relative amounts of gases in the air, including oxygen, carbon dioxide and gaseous pollutants.

Used by AQA

How each exam board covers it

AQA GCSE Biology · 8461

Specification 4.7.2.4 · Paper 2

Revise: Environmental Change Impact

AQA Biology past papers

Related key terms

Abiotic factor
Correlation
Distribution
Range shift

Revise Biology with GradeGen

Create a free account to read GCSE Biology revision notes for your exam board and track your progress.

Sign Up to Start Revising Log In