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Rise of Oxygen — AQA GCSE Chemistry 8462
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Chemistry
AQA GCSE Chemistry
Chemistry of the atmosphere
Atmospheric Composition and History
Rise of Oxygen
AQA GCSE Chemistry · 8462
Rise of Oxygen
What you need to know
Explain how algae and plants increased atmospheric oxygen via photosynthesis.
Recall the photosynthesis equation:
6
C
O
2
+
6
H
2
O
→
C
6
H
12
O
6
+
6
O
2
6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2
6
C
O
.
Revision notes
1
Rise of Oxygen
3 key terms
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Key terms & definitions
Previous subtopic
The Early Atmosphere
Next subtopic
Decline of Carbon Dioxide
2
+
6
H
2
O
→
C
6
H
12
O
6
+
6
O
2
