Input Code
1. The Formation and Composition of the Earth's early Atmosphere
2. The Formation of the Oceans
3. What happened to the carbon dioxide?
4. The effect of Plants on the Atmosphere
5. The chemical test for Oxygen
6. The Greenhouse Effect
7. The Effect of Climate Change
8. Evaluating our Impact on the Earth
CH228:
Describe the formation and composition of the Early Atmosphere
CH229:
Describe the formation of the oceans
CH230:
Explain how carbon dioxide levels have decreased
CH231:
Explain why oxygen levels have increased
CH232:
Describe the test for oxygen
CH233:
Explain the greenhouse effect
CH234:
Explain what a causal link is
CH235:
Explain the effect of human activities on the Earth
CH236:
Evaluate how to reduce climate change
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