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Question bank·6.3 Interpreting and interacting with earth systems

6.3 Interpreting and interacting with earth systems

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Question 24

F

The statements describe how the Earth's atmosphere is thought to have changed over time.

Statement 1: Algae and plants evolved and began to photosynthesise.

Statement 2: Volcanoes released carbon dioxide and water vapour.

Statement 3: The Earth cooled and water vapour condensed to form the oceans.

Statement 4: The percentage of oxygen in the atmosphere increased.

What is the correct order of these events?

[1]

A

2, 1, 3, 4

B

2, 3, 1, 4

C

3, 2, 1, 4

D

2, 3, 4, 1

Markscheme

6.3 Interpreting and interacting with earth systems Questions

GCSE
Chemistry
6.3 Interpreting and interacting with earth systems

109 exam-style questions on OCR GCSE Chemistry 6.3 Interpreting and interacting with earth systems, covering 6.3.1 Formation and evolution of the atmosphere, 6.3.2 The greenhouse effect and climate change, 6.3.3 Sources and problems of atmospheric pollutants, and 6.3.4 Producing potable water. Each one has a worked solution and a mark scheme showing where the marks go.

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