In addition to nitrogen and oxygen, air consists of small amounts of the gases argon, neon, helium, and methane. Besides gases, air also contains water vapor, ... |
Air is a tasteless, odorless and invisible mix of gases that is primarily made up of oxygen and nitrogen. There are layers of air that cover the earth, which is ... |
25 окт. 2020 г. · This is a learning video for grade 2 science students. The topics covered are: 1. What is air? 2. What is the importance of air in our lives ... |
18 окт. 2024 г. · Air is a mixture of many gases and dust particles. It is the clear gas in which living things live and breathe. It has an indefinite shape and volume. |
Air is mostly gas. Air is all around us, but we can't see it. So what is air, exactly? It's a mixture of different gases. |
11 мар. 2018 г. · Air is all around us. Even in room where we are sitting, but it cant be seen, felt, smell, taste unless its dirty. |
This invisible substance called air is really a mixture of several gases. Each gas is present in the form of separate, tiny units called molecules. |
30 дек. 2023 г. · Hey there, young scientists! Are you ready to take a deep breath and dive into the fascinating world of air? |
19 янв. 2024 г. · Learn about air and the properties of the gases that compose the air on planet Earth. Discover the chemical composition of air, the boundaries of... |
| Novbeti > |
| Axtarisha Qayit Anarim.Az Anarim.Az Sayt Rehberliyi ile Elaqe Saytdan Istifade Qaydalari Anarim.Az 2004-2023 |