When the air becomes dirty due to smoke and harmful gases it is called AIR. POLLUTION. We should always breathe clean and fresh air because breathing impure or ...

Продолжительность: 4:50
Опубликовано: 14 февр. 2019 г.

What Does Air Contain? · Air is a mixture different gases. · Apart from these; air also contains water vapour and dust particles. · Sometimes air also contains ...

9 мар. 2022 г. · Air is the combination of different gases on the earth like nitrogen, oxygen, carbon di oxide and some other gases. People, animals and plants need air to live.

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 ...

a) Air is the invisible stuff that surrounds us all the time. It is like a big blanket of gas that covers the Earth. It's everywhere, even though we can't see ...

1. Air supports lives – breathing. · 2. Air supports water cycle – rainfall. · 3. Air supports pollination – plants reproduction. · 4. Air helps in transport – ...

Продолжительность: 5:45
Опубликовано: 21 авг. 2024 г.

1. Nitrogen (N₂):. Nitrogen is a colorless, odorless gas making up 78% of air and is the most abundant gas present in the atmosphere. · 2. Oxygen (O₂):. Oxygen ...

Air is a gaseous mixture that occurs over the Earth and is breathed by all land plants and animals. Q. (a) What is air? Write the names of various constituents ...