GCSE Maths Revision Cards(250 Reviews) £8.99
All major GCSE maths topics covered
Practice questions and answers on every topic
Higher and foundations cards available
All exam boards e.g. AQA, OCR, Edexcel, WJEC.
The development of the Earth’s early atmosphere and the composition of gases there today are important to understand for your GCSE chemistry exam. You also need to know about the different greenhouse gases such as carbon dioxide and methane and how these are contributing to global warming. Greenhouse effect, global warming and climate change are often used interchangeably but you do need to know the difference between these terms for your GCSE chemistry exam.