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EnglandChemistryQuick questions
Topic 8: Fuels and Earth science
Quick questions on Evolution of the atmosphere and the greenhouse effect - Edexcel GCSE Chemistry
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State the main gas released by volcanoes that made up the early atmosphere. [1 mark]
What is q2?Show answer
Explain how photosynthesis changed the early atmosphere. [2 marks]
What is q3?Show answer
Name two greenhouse gases and one human activity that increases their levels. [3 marks]
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