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6.3 Interpreting and interacting with earth systems

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Question 40
F

Much of the carbon dioxide in the Earth's early atmosphere dissolved in the oceans.

Where is much of this carbon found today?

[1]
A

In methane gas in the atmosphere

B

In the Earth's molten core

C

In carbonate rocks such as limestone

D

In the water vapour in clouds

Markscheme

6.3 Interpreting and interacting with earth systems Questions

  1. GCSE
  2. /Chemistry
  3. /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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