Interesting Facts About Air: Key Element Of All Living Organisms

Air is a mixture of various gasses which covers the Earth in a layer more than 400 miles high. This layer is known as the atmosphere. It contains around 78 percent nitrogen, 21 percent oxygen, and reduced amounts of argon, carbon dioxide, hydrogen, and others.
Air is required by nearly all the living things living on our planet. Most animals and plants take in air, utilize the oxygen in it and release another gas, carbon dioxide. This process is known as respiration. Also, air protects life on Earth by decreasing temperature limits between day and night and absorbing any harmful ultraviolet solar radiation.
Air is the atmosphere of the Earth. Is the colorless gas in which all living things breathe and live. It’s an indefinite volume and shape. It has no smell or color. It has weight and mass. It’s a matter as it has weight and mass. Air generates atmospheric pressure. There’s no air in the cosmos’ vacuum.
The atmosphere is essentially a mixture of gases which surround the earth. It’s the air we breathe, the clouds in the sky, and the wind and rain. It’s retaining heat, life-giving, and even blocking out dangerous rays (ultraviolet radiation) from the sun. The atmosphere is almost 1,000 kilometers thick and consists of invisible layers which circle the planet. We live in the thinnest and lowest layer, known as the troposphere that’s only about 14 kilometers thick.
The bottom 2 kilometers of the troposphere are actually our ‘home.’ Most of the weather and air are there, along with many air pollutants. Two kilometers are not very much. It would take only 2 minutes to drive that distance, at 60kph.
Animals require the oxygen in the air mixture to live. In the human body, the lungs provide oxygen to the blood and return carbon dioxide to the air. Plants require the carbon dioxide in the air to live. They release oxygen that human beings can breathe again.
The Wind is moving air. Air can be polluted easily by some gases (like carbon monoxide), ash, and smoke. Air pollution is one of the key reasons for global warming, by facilitating the ‘greenhouse effect.’
Aircrafts use appropriate propellers to move air over a wing that enables them to fly. Pneumatics use air pressure to move things.
Gases like methane, water vapor, and carbon dioxide which enable an incoming sunlight to pass through while absorbing the heat radiated back from the surface of the Earth are known as greenhouse gases. If the atmosphere consists of more of these gases, it traps excess heat and warms up. This is referred to as global warming.
Six Useful and interesting facts you should know about Air
1. A person breathes almost 16 kg of air every day. As a comparison, we take about 0.7 kg of food and 1.4-2.3 kg of water daily. Needless to say, the air quality around us have a substantial effect on our health.
2. The popular idea that polluted air can be dangerous to human dates back to the Middle Ages. Clear evidence of harmful effects from the polluted air started to accumulate after the first use of coal around early 14th century.
3. In our daily lives, everybody contributes to air pollution. Almost everything we do and each product we purchase creates some pollution. We all bear a huge responsibility for lowering air pollution.
4. The warming of the atmosphere by the heat reflected back to our planet by gases in the upper atmosphere is known as the greenhouse effect. Several scientists have associated the rise in atmospheric carbon dioxide with the increase in the temperature of Earth over the previous century.
5. One of the risky air pollution disasters happened in London in Dec. of 1952. Five days of poor-quality and stagnant air created by high-pressure weather systems resulted in 3,500-4,000 deaths.
6. Air pollution causes the rubber tires on various automobiles to crack and become porous.

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