Question

interesting facts about air ​

Answer 1

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Answer 2

Answer:

1. It is assumed that the air around us is made up of gases only. But, what people may not know is that it also contains lots of tiny particles called aerosols. Some are present naturally (like dust and pollen), while others are present due to man-made activities (like smoke from cars and power plants).

2. Burning of fossil fuels and factory wastes lead to combustion. Combustion is a process in which oxygen is absorbed and carbon dioxide is released. By burning these substances, we are not only reducing the amount of oxygen we need to breathe, but also increasing the amount of carbon dioxide in the air.

3. Plants help to maintain the oxygen level in the atmosphere. This is because they undergo photosynthesis. In this process, they absorb the carbon dioxide in the atmosphere, and release oxygen back into the atmosphere as a by-product. By planting more trees, we help reduce the excess amount of carbon dioxide in the air.

4. The air in our atmosphere acts as a cushion for two reasons. The first reason is that it helps maintain the temperature of our planet. The second reason is that a layer in the atmosphere – called the ozone layer – stops UV rays from the sun from reaching the Earth’s surface. These rays can be harmful for living things on the planet

5. Let us compare this amount to an average person’s food and water intake. An average person consumes 0.7kg of food and approximately 1.85kg of water daily. Hence, it can be seen that it is important to have a clean source of air around us