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6.3 Interpreting and interacting with earth systems

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Question 13

A farm clears woodland by burning the trees and starts growing rice in flooded fields. The farm manager considers the effects of these changes on carbon dioxide and methane in the atmosphere.

Which option shows the gas increased by each change?

[1]
A

Burning trees: carbon dioxide; growing rice in flooded fields: carbon dioxide

B

Burning trees: methane; growing rice in flooded fields: methane

C

Burning trees: carbon dioxide; growing rice in flooded fields: methane

D

Burning trees: methane; growing rice in flooded fields: carbon dioxide

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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