Air is the invisible mixture of gases that surrounds the earth. Air contains important substances, such as oxygen and nitrogen that most species need to survive. Human beings of course are one of those species. Sometimes the world atmosphere is used to instead of the word air .
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الأقسام
- الرئيسية
- Wellness
- Theater
- Sports
- Shopping
- Religion
- Party
- أخرى
- Networking
- Music
- Literature
- Art
- Health
- Gardening
- الألعاب
- Food
- Fitness
- Film
- Drinks
- Dance
- Crafts
- Causes
اقراء المزيد
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