| Komponen-komponen yang terdapat dalam udara |
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| The importance of gases |
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Oxygen
- Respiration
- Combustion of rocket engine a high altitude
- Welding and steel cutting
- Preparation of various compound
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Carbon dioxide
- Photosynthesis
- Production of carbonated drinks
- Fire extinguisher
- Carbon cycle
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Nitrogen
- Production of nitric acid and ammonia
- Nitrogen cycle
- Liquid nitrogen as cooling agent
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Light bulb
- Helium is used to fill hot air balloons
- Neon gas is used in advertising lights
- Argon gas is used in light bulbs
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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:
| Definition |
| Oxygen cycle is a continuos cycle that takes oxygen from the air and returns it to the air |
Oxygen cycle:
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
