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- Air is the basic need for living things. Hence, it is an important element on earth.
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- We are surrounded by air. Air also present in water and soil.
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- Air consists of gases such as oxygen and carbon dioxide.
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Living things need oxygen for breathing.
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Plants need carbon dioxide in order to produce their own food
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- Air that moves is called wind.
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- The wind can give advantage and disadvantage to human's life.
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| Advantages of wind:- |
Disadvantages of wind:- |
- Produce energy (Windmill & sail)
- Cools the surrounding temperature
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- Turbulence in the sea
- Windstorms
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