Grade 9 The Earth’s atmosphere in animated PowerPoint.
R15.18
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Resource Description
- Layers in the atmosphere
- Composition of the atmosphere
- The troposphere- first 10 km above surface
- Weather & weather systems
- Global winds around the Earth
- The stratosphere – next 10 – 50 km – air thinner & ozone layer situated at the top
- Mesosphere
- Depletion of the ozone layer
- Meteors & Meteorites
- The thermosphere
- Aurora lights
- Green house effects & global warming & effects.