7.1
Composition of Air
| 7.1 | Composition of Air |
| Komponen-komponen yang terdapat dalam udara |
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| The importance of gases |
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Oxygen
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Carbon dioxide
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Nitrogen
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Light bulb
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| Definition |
| Carbon cycle is the cycle that maintains the content of carbon dioxide in the air by continuously taking carbon dioxide from the air and returning it to the air |
Carbon cycle:
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| Definition |
| Oxygen cycle is a continuos cycle that takes oxygen from the air and returns it to the air |
Oxygen cycle:
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Ways to reduce problems of interferences to the oxyen and carbon cycle
- Prohibit illegal loging
- Avoid using excessive pesticides
- Reforestation
- Prevent excessive release of smoke from vehicles
- Do not burn forests
