Oxygen It is the second most abundant element in the earth’s atmosphere by volume after nitrogen. Oxygen forms about 21 percent of the atmospheric gases. It is an essential element for the building up of living organisms and its life processes such as respiration. The Oxygen Reservoirs Are: Atmosphere –In terms of volume, 21 percent…
Tag: Atmosphere
What do you understand by the Ozone hole?
Ozone Hole There is a thick layer of ozone gas which is placed in the upper atmosphere and acts as a protection for the harmful ultra-violet rays. Due to the ozone layer is present in the upper atmosphere preventing the majority of the ultra-violet radiations coming from the sun. The highly useful ozone layer in…
Red Planet Day 2025
Introduction – Red Planet Day is observed every year on November 28 worldwide to honor the launch of the Mariner 4 by NASA, a robotic interplanetary probe, and Jet Propulsion Laboratory (JPL) on November 28, 1964. This spacecraft became the first spacecraft to fly past Mars and was designed for flying past planets. It is also…
Ozone layer: Introduction and Importance
Introduction – Ozone layer is situated at the stratosphere layer of the earth which absorbs the ultra-violet radiations coming from the sun with contains a high concentration of Ozone (O3) in this layer. Ozone layer contains high concentration of Ozone that mostly present in the lower portion of the stratosphere from about 15 to 35…
World Ozone Day 2025
Introduction – World Ozone Day is celebrated every year on September 16 across the world to spread awareness about the importance of the ozone layer in our daily life. The representatives came from different 24 countries met in Canada’s Montreal for discussing the emergency situation of depleting the ozone layer that was held in the year…
daneelyunus 